CALL FOR PARTICIPATION Please post your discussion comments at http://www.osehra.org/group/architecture This DRAFT document is a Request for Information (RFI) EHR Modernization EHR Services Platform (ESP) Conceptual Architecture - Software.

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Transcript CALL FOR PARTICIPATION Please post your discussion comments at http://www.osehra.org/group/architecture This DRAFT document is a Request for Information (RFI) EHR Modernization EHR Services Platform (ESP) Conceptual Architecture - Software.

CALL FOR PARTICIPATION
Please post your discussion comments at
http://www.osehra.org/group/architecture
This DRAFT document is a
Request for Information
(RFI)
EHR Modernization
EHR Services Platform (ESP)
Conceptual Architecture
- Software Development Kit (SDK)
Open Source EHR Custodial Agent (OSEHRA) Architecture Committee
Stephen Hufnagel PhD, Chair
In collaboration with
Health Architecture Interagency Group (HAIG)
Nancy Orvis, MHA, CPHMS and Paul Tibbits, M.D., DoD and VA Co-Chairs
Current 180+ slide set Conceptual Architecture SDK and companion Implementation Guide (IG) is available at:
http://www.osehra.org/node/47/content/documents
October 18, 2011 DRAFT-N
ESP SDK
WORKING DRAFT RFI: not for official use.
1
Preface
In March 2011, VA Secretary Eric Shinseki and DOD Secretary Robert Gates agreed on a common Electronic Health Record
(EHR) technical architecture, data and services and exchange standards for the joint integrated EHR system, where the joint
EHR will include both proprietary and open source software. The secretaries of the Veterans Affairs and Defense Departments
met on May 2 and June 30, 2011 to determine their next steps toward developing a common EHR..
“VA is developing an open source track to modernize VistA and will incorporate the approach in the joint EHR", Shinseki said.
“One of my objectives is to have minimal disruption in the hospitals as we evolve from VistA to the joint EHR system What I think
you will see us do is replace modules, do incremental upgrades.” … “In five or 10 years, there may not be one line of code left
from VistA. And in my ideal world, the users will have no idea that I have made any changes,” VA Secretary Eric Shinseki said.
“Our goals are to bring in as many private sector modules as possible and selecting the same thing to run between VA and DOD
so that we end up with a single, common electronic health record system,” Roger Baker, VA CIO said. OSEHRA sees private
modules including both open source or commercial; OSEHRA intends to foster innovation at the module level and encourages
Darwinian selection among competing modules based on cost, performance and support preferences.
"We planned, as part of this EHR framework, to release all the documents, architecture, all these things. It will no longer be,
'you figure it out, you tell us a solution,'" said Col. Hon Pak, the Army medical department's chief information officer. "The opensource custodial agent, largely a VA-led effort but we also participate, really gives you an opportunity in ways that we've never
had before." … "Having that venue now equalizes the playing ground so that small, innovative organizations can come and help
us figure things out." said Pak. Opening the door to nimble, innovative technologies is a core focus for Pak, who said “DoD is
looking for more modular capabilities.” All the Services "have pretty much bet the farm" that patient-centered medical home will
change healthcare, but he said they need the right tools to get there. "This idea around [health information exchange],
telehealth, mobile health, patient-centered medical home are really going to be the necessary ingredients that have to be
formulated to drive some of the transformation," Col. Pak said.
This Software Development Kit (SDK) specifies the EHR Services Platform (ESP) to implement the vision expressed above .
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ESP SDK
WORKING DRAFT RFI: not for official use.
2
Executive Summary
SAIF
(Service Aware Interoperability Framework)
Conceptual Perspective
EHR Services Platform
SDK Scope
Business Context
Clinical/Work Process Architecture
System Architecture
Information Architecture
Integration & Deployment Options
Potential Applications
Summary & Conclusion
Also See Companion
SAIF Logical Perspective
Implementation Guide (IG)
ESP SDK
WORKING DRAFT RFI: not for official use
3
TALKING POINTS: SDK Purpose
ESP enabled systems are a part of a joint DoD-VA Open Source EHR (OSEHR) Initiative
• The ESP Software Development Kit (SDK) presents the vision (this slide deck) and specifies
the means (see the companion ESP Implementation Guide (IG)) for Open Source and vender
applications to plug-&-play within future-state ESP enabled operating and data-access
platforms; ESP enabled systems are composed of “information” services supporting efficient
plug-&-play application-integration.
• The SDK development, following agile processes, is intended to become a clear, complete,
concise, correct and consistent HL7 SAIF (Service Aware Interoperability Framework)
conformant standards-based ESP enabled system SDK IG for vender and open-source
developers.
• This comprehensive set of slides may be freely used or repurposed with appropriate attribution
YOUR HELP IS REQUESTED IN VERIFYING, VALIDATING AND INCREASING THE
USABILITY OF THE ESP SDK
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ESP SDK
WORKING DRAFT RFI: not for official use.
4
A five-color star “branding”
indicates that a slide was
adapted from Canada Health
Infoway’s EHR Blueprint
ACKNOWLEDGEMENT
This ESP SDK started with the Canada Health Infoway “Electronic Health
Record Blueprint” as a foundation; the SDK is being adapted to meet the Open
Source EHR modernization situation and needs.
https://www.infoway-inforoute.ca/working-with-ehr/knowledgeway/knowledge-center/657
ESP SDK
WORKING DRAFT RFI: not for official use.
5
DISCLAIMER
THIS DRAFT SDK IS NOT LEGALLY BINDING
AND DOES NOT REPRESENT OFFICIAL DOD OR VA POSITION.
• The DoD and VA wish to openly-and-transparently collaborate with the Open-Source EHR-Community;
this is a new “agile acquisition” approach for the government and MUST evolve with lessons learned.
• This SDK, its companion Implementation Guide (IG) and related artifacts are DRAFT Working
Documents, being coordinated by the Open Source EHR Custodial Agent (OSEHRA) Architecture
Committee with the guidance of the DoD-VA Health Architecture Interagency Group (HAIG). The purpose
is to seek EHR-modernization architectural-input from DoD & VA staff, contractors, partners,
stakeholders, venders and open-source-community in an open-and-transparent collaborative-forum;
• The DRAFT Software Development Kit (SDK), its IG and any related documents MUST be considered a
government Request for Information (RFI); without obligation to the government as we go through this
new open-and-transparent agile-development-process;
• Once feedback has been received, OSEHRA Architecture Committee’s updates have been made and
the SDK has been reviewed and approved by appropriate government leadership, DRAFT can be
removed from the SDK and its IG and they will be versioned, time-stamped and an official government
letter of endorsement MUST be attached.
Only an official government-endorsed-and-versioned SDK, its IG and related artifacts
can be used in any government contract or acquisition process.
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ESP SDK
WORKING DRAFT RFI: not for official use.
6
Technical Vision: EHR Service Platform (ESP)
INTEGRATED EHR SOLUTION
EHR SERVICES PLATFORM (ESP)
Population
Health
Data &
Services
Population
Health
Data &
Services
EHR
Data &
Services
Registries
Data &
Services
EHR IS
Locator
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of Service
Applications
ESP SDK
Personal Health
Record Systems
EHR Viewers
WORKING DRAFT RFI: not for official use.
See notes page
7
•
•
•
•
•
•
TALKING POINTS: Technical Vision is to modernize and transition
legacy to an EHR Services Platform (ESP) for Application Integration
An EHR Services Platform (ESP) facilitates application innovation; it is composed of
separated operation, business-rule and information services to integrate plug-&-play
applications; the ESP services MUST be used by ALL applications and ALL
applications MUST be service-based.
As the ESP is fully-specified in the SDK Implementation Guide (IG), as standardized
and reference implementations become available; then, general-purpose and domainspecific “best-of-class” certified applications can be user-selectable and evolve on a
Darwinian basis. This is analogous to a Smart-Phone Application-Markets
Anyone can build and submit ESP services and/or applications for certification
The Open Source EHR Custodial Agent (OSEHRA) will IV&V and CM certified ESP
application services and reference-implementations (e.g., gold builds).
DoD, VA, IHS and others may pick-&-choose, which certified applications they use.
Legacy-systems and ESP enabled systems can co-exist during long legacy transition
periods across large enterprises. This is analogous to the PC and telecommunications
evolution-revolution from the 1980s to now.
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ESP SDK
WORKING DRAFT RFI: not for official use.
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Key Concepts: Federated EHR Services Architecture
EHR IS
Enabled
Legacy System
INTEGRATED EHR SOLUTION
EHR IS
EHR SERVICES PLATFORM (ESP)
Tier 3
Plug-&-Play
Data Stores
Population
Health
Data &
Services
Population
Health
Data &
Services
EHR
Data &
Services
EHR IS
Enabled
PHR System
Registries
Data &
Services
EHR IS
Locator
ESP Based
System
EAI IP
Tier 2
EHR
Information
Services
Tier 1
Plug-&-Play
Applications
Data Access
Services Layer
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
EHR IP
EHR IP
EHR IP
Point of Service
Applications
Personal Health
Record Systems
EHR Viewers
Application
Services Layer
IP is SOA Interoperability Profile aka Service Interface
EAI is Enterprise Application Integration
ESP SDK
WORKING DRAFT RFI: not for official use.
See notes page
9
TALKING POINTS: Benefits
The ESP can become the National and possible International EHR
standard for “best-of-breed” Darwinian innovation, evolution or
revolution where anyone can participate.
The SDK’s Standards-Based Best-Practices ensure consistency across:
– Interoperable Application Service APIs
• Common/ Engineering Service Bus (C/ESB)
• Interoperable Plug-and-Play Applications
– Interoperable Virtual Database (DB) APIs scalable from
• Legacy MUMPS-globals acting as a DB to MS Access, Open or MS SQL, Oracle to
• Massively-parallel high-performance grids running on commodity-hardware-blade-platforms
(i.e., amazon.com & google.com models).
–
–
–
–
ESP enabled Trading Partners
Acquisitions (ESP SDK-IG as GFI for RFIs and RFPs)
VA, DoD and IHS offices, staff and contractors
Open Source and vender community
ESP SDK
D R A F T Talking Points
WORKING DRAFT RFI: not for official use.
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Legacy Transition Strategy
INTEGRATED EHR SOLUTION
LEGACY EHR SYSTEM
EHR SERVICES PLATFORM (ESP)
EHR-IS ENABLED LEGACY INFRASTRUCTURE
Population
Health
Data &
Services
Data
Warehouse
Data &
Services
EHR
Data &
Services
Data
Warehouse
Data &
Services
Legacy
Point of
Service
Application
Registries
Data &
Services
EHR
Data &
Services
Personal
Health Record
System
Legacy
EAI IP
EHR-IS
EAI IP
Information Access & Longitudinal Record Services (LRS)
Information Access & Longitudinal Record Services (LRS)
EAI IP
Bi-Directional
Information
Exchange
EHR Information Services (EHR IS)
EHR IP
Point of
Service
Application
EHR IP
Personal
Health Record
Systems
EHR Information Services (EHR IS)
EHR IP
EHR Viewer
EAI is Enterprise Application Integration
IP is SOA Interoperability Profile aka Service Interface
ESP SDK
EHR-IS
EHR-IS enabled legacy systems allow users to
transition at a convenient time and then legacy
systems can be gracefully shut down.
WORKING DRAFT RFI: not for official use.
11
TALKING POINTS: Transition Strategy based on ESP enabled systems
1. ESP kernel-services and data stores CAN be set-up at one-or-more data-centers (any cloud topology).
2. For pre-certification self-testing and attestation, venders and developers MUST be provided: i) SDK-IG,
ii) an open-source test virtual-machine (VM) with the ESP set-of operating-and-data services, iii)
clinically-meaningful test-database, test-scripts, certification-criteria.
A. Agile SDK, ESP and application development and certification processes MUST have up-to-date
VMs and ongoing regression testing to obtain/maintain “certified” status.
B. Certified applications, test and certification VMs, test fixtures/scripts, test-results MUST be made
available to anyone (e.g., open source community) to verify and validate test results & attestations.
3. One-or-more user-configurable ESP enabled viewers SHOULD be made freely available.
4. Legacy systems MUST be updated i) to “journal” their clinically-relevant data-store transactions with
the ESP data-store and to query via the ESP, analogous to legacy “BHIE” DoD-VA sharing;
5. Terminology mapping SHOULD be a part of legacy-data transition.
6. To be repurposed to ESP capability, legacy-applications MUST conform to ESP SDK-IG and associated
certification criteria.
7. Once certified ESP enabled viewer(s) and ESP enabled applications are available to clinical users, they
CAN transition to modernized ESP based systems, while others might continue on legacy systems.
8. Clinically-meaningful legacy-data MUST be extracted to ESP before legacy systems are shut down.
12
ESP SDK
WORKING DRAFT RFI: not for official use.
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EHR Information Services (EHR IS)
within EHR Services Platform (ESP)
EHR SERVICES PLATFORM (ESP)
ORGANISATIONAL INFOSTRUCTURE
Population Health Data
& Services
Registries Data
& Services
Client
Registry
Outbreak
Management
EHR Data
& Services
PHS
Reporting
Shared
Health Record
Drug
Information
Data Warehouse
& Services
Diagnostic
Imaging
Health
Information
Laboratory
Provider
Registry
Location
Registry
Business
Rules
EHR
Index
Terminology
Registry
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
IP is SOA Interoperability Profile aka Service Interface
EAI IP
Security Mgmt
Rules/Data
EAI is Enterprise Application Integration
Privacy Mgmt
Rules/Data
Configuration
Rules/Data
EAI IP
Common Information Integration Framework (CIIF) and Common Services
EHR IS
Secure Communications Bus
EHR IP
Public Health
Services
Public Health
Provider
EHR IP
Pharmacy
System
Pharmacist
EHR IP
Radiology
Center
PACS/RIS
Radiologist
EHR IP
Lab System
(LIS)
EHR IP
Hospital, LTC,
CCC, EPR
Lab Clinician
Physician/
Provider
EHR IP
Physician
Office EMR
Physician/
Provider
EHR IP
EHR Viewer
Physician/
Provider
POINT OF SERVICE APPLICATIONS
ESP SDK
WORKING DRAFT RFI: not for official use.
See notes page
13
TALKING POINTS: Common Information Integration Framework (CIIF)
• The Common Information Integration Framework (CIIF) is a business-driven
agile enterprise-information-management methodology and set of softwareservice technologies, which enable semantic interoperability of clinical data.
• The CIIF Team specifies or imposes a standards-based set of information
services that enables any authorized empowered provider to care for any
beneficiary regardless of location, organization or device.
ESP SDK
14
WORKING DRAFT RFI: not for official use.
See notes page
14
ERH Services Platform (ESP) enabled system (conceptual view)
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ESP SDK
WORKING DRAFT RFI: not for official use.
See notes page
15
TALKING POINTS: EHR Services Platform (ESP)
Addressing Legacy Problems
1.
Innovation to revitalize legacy systems
• Services within a standards-based component-architecture encourage lower-cost component innovation without
requiring enterprise-wide expertise and extensive testing. SDK empowers individuals and avoids stovepipes.
2.
Interoperability among partners.
• CIIF canonical information and terminology models can be used to map among heterogeneous system
information exchanges. By adopting common EHR IS data, terminology, and communications standards; multiple
organizations can share and ultimately harmonize Electronic Medical Records.
3.
Transition from legacy systems and data to an integrated EHR architecture.
• Virtualization-Layers of Federated Standards-Based Services allow new and legacy COTS, GOTS and opensource applications, scalable databases and infrastructure to coexist.
4.
Agility to respond to rapid healthcare changes and related legislation.
• Services within a standards-based component-architecture encourage faster and lower-cost changes to be made
and tested within components without requiring enterprise-wide expertise and testing.
5.
High Costs of change and sustainment.
• Virtualization-Layers of Federated Standards-Based Services make plug-and-play applications, databases and
infrastructure possible, which can be treated as commodities and can be tested efficiently. Interchangeablecomponents can compete based, on functionality, quality, performance vs. cost, usability and supportability. Built
In Test Environment (BITE) identifies faults early, improving robustness and reducing test costs. .
6.
Patient Safety issues resulting from software changes.
• Component architecture localizes faults. BITE identifies faults early, improving system robustness, patient safety.
7.
Open Source Community Enablement
• Virtualization-Layers of Federated Standards-Based Services support alternate configurations of applications,
databases and infrastructure, which may be combinations of MUMPS, COTS, GOTS and open source code to
meet the specific-needs of various stakeholder-and-user communities.
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ESP SDK
WORKING
DRAFTTalking
RFI: not for official
use.
DR
AFT
Points
HL7 Service Aware Interoperability Framework (SAIF)
Enterprise Compliance and Conformance Framework (ECCF)
ECCF
Conceptual
Perspective
Logical
Perspective
Implementable
Perspective
Enterprise
Dimension
Information
Dimension
Computational
Dimension
“How” - Behavior
“Where” - Implementation
“Where” - Deployments
 Inventory of
• Domain Entities
• Activities
• Associations
• Information
Requirements
• Information Models
o Conceptual
o Domain
 Inventory of
• Functions-services
 Requirements
• Accountability, Roles
• Functional
Requirements, Profiles,
Behaviors, Interactions
• Interfaces, Contracts
 Inventory of
• SW Platforms, Layers
• SW Environments
• SW Components
• SW Services
• Technical
Requirements
• Enterprise Service Bus
 Key Performance
Parameters
 Inventory of
• HW Platforms
• HW Environments
• Network Devices
• Communication
Devices
 Technical Requirements
 Business Policies
 Governance
 Implementation Guides
 Design Constraints
 Organization Contracts
 Information Models
 Terminologies
 Value Sets
 Content Specifications
 Specifications
• Use Cases, Interactions
• Components, Interfaces
 Collaboration
Participations
 Collaboration Types &
Roles
 Function Types
 Interface Types
 Service Contracts
 Models, Capabilities,
Features and Versions for
• SW Environments
• SW Capabilities
• SW Libraries
• SW Services
• SW Transports
 Models, Capabilities,
Features and Versions for
• HW Platforms
• HW Environments
• Network Devices
• Communication
Devices
 Business Nodes
 Business Rules
 Business Procedures
 Business Workflows
 Technology Specific
Standards
 Schemas for
• Databases
• Messages
• Documents
• Services
• Transformations
 Automation Units
 Technical Interfaces
 Technical Operations
 Orchestration Scripts
 SW Specifications for
• Applications
• GUIs
• Components
 SW Deployment
Topologies
 HW Deployment
Specifications
 HW Execution Context
 HW Application Bindings
 HW Deployment Topology
 HW Platform Bindings
“Why” - Policy
 Inventory of
• User Cases, Contracts
• Capabilities
 Business Mission, Vision,
Scope
“What” - Content
Engineering
Dimension
Technical
Dimension
Five (5) Categories: Capability | Mission | Business Process | Infrastructure/Enterprise Architecture | Interoperability
17
ESP SDK
WORKING DRAFT RFI: not for official use.
TALKING POINTS: HL7 Service Aware Interoperability Framework
(SAIF) Conformant ESP Implementation Guide (IG)
• To be OSEHRA software-quality certified, ESP enabled applications
MUST be conformant to the companion ESP SDK Implementation
Guide (IG) which follows HL7 SAIF guidance.
– The SDK slide set is the SAIF Conceptual Perspective
– The SDK Implementation Guide is the SAIF Logical Perspective
– Developers & Venders MUST deliver the SAIF Physical Perspective
• SAIF provides guidance; but, OSEHRA, DoD, VA, IHS and
stakeholders MUST establish a consensus ESP IG, defining required
architectural views (e.g., subset of DoDAF views) and appropriate
specification language (e.g., BPMN, UML).
• The ESP companion SDK IG is HL7 SAIF conformant and defines
software-engineering best-practices for interoperability Standards and
Conventions (iSAC).
• Agile processes are being followed to define the SDK slides and IG;
that is, there will be many incremental refinements.
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ESP SDK
WORKING DRAFT RFI: not for official use.
18
Generally, only the preceding Executive Summary is distributed via e-mail
The most-current 180+ slide ESP SDK Conceptual Architecture and
The most-current evolving ESP SDK Implementation Guide (IG)
can be downloaded at: http://www.osehra.org/node/47/content/documents
ESP SDK Conceptual View
Next: ESP SDK Future-State
SAIF Conceptual Perspective
EHR Services Platform concepts
SDK Scope
Business Context
Clinical/Work Process Architecture
System Architecture
Information Architecture
Integration & Deployment Options
Potential Applications
Summary & Conclusion
CALL FOR PARTICIPATION
Please post your discussion comments at
http://www.osehra.org/group/architecture
ESP SDK
WORKING DRAFT RFI: not for official use
19
Abbreviations
AKA
BITE
CM
DI
DoD
EAI
EHR IS
ESP
ESB
HAIMS
ICIB
IG
IHS
IP
IV&V
LIS
LRS
OSEHR
OSEHRA
RFI
RIS
SAIF
SDK
SDO
SOA
TSA
VA
VHA
VM
Also Known As
Built in Test Environment
Configuration Management
Diagnostic Imaging
Department of Defense
Enterprise Application Integration
EHR Information Services
HER Services Platform
Engineering Service Bus
Health Artifact and Image Management Solution
Interagency Clinical Informatics Board
Implementation Guide
Indian Health Services
Interoperability Profile / Specification
Independent Verification and Validation
Laboratory Information Systems
Longitudinal Record Service
Open Source EHR
OSEHT Custodial Agent
Request for Information
Radiology Information System
HL7’s Service Aware Interoperability Framework
Software Development Kit
Standards Development Organization
Service Oriented Architecture
Telehealth Scheduling Application
Veterans Administration
Veterans Health Administration
Virtual Machine
20
ESP SDK
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Suggested Plan of Actions and Milestones (POA&M) to
Refactor & Certify Legacy MUMPS within ESP Enabled System
1.
CY2011: Verified System Architecture, Product Baseline and Roadmap
2.
CY2012: Prepare
• Complete ESP SDK through Open-Source-Community & DoD, VA, IHS collaboration
• Specify future-state ESP Key Performance Parameters (KPPs) and implementation constraints
• Get ESP SDK officially endorsed by DoD and VA leadership; work ESP SDK through HL7, OASIS & OMG SDOs
• Specify OSEHR automated ESP enabled system certification-test-scripts & Built-in-Test-Environment (BITE)
• Proof-of-concept refactoring-prototype (e.g., scheduling, clinical & nursing notes modules)
• ESP enabled system & test environment prototype in a Virtual Machine (VM)
3.
CY2013: Build Critical Components
• Construct automated-certification test-scripts for ESP & key applications
• Construct ESP Built-in-Test-Environment (BITE)
• Construct ESP reference-implementation in a VM test environment
• Refactor & certify VistA Kernel & FileMan into as ESP enabled system
4.
CY2014: Build Necessary Components
• Refactor & certify strategically important applications to be ESP conformant.
• Refactor & certify other modules/routines in MUMPS to use ESP SDK specified services
5.
CY2015: Integrate and Make Everything Work to Users Satisfaction
• ESP Integrate & certify other-available critical-components ESP (e.g., VLER, pharmacy, lab, imaging)
• ESP
Performance
optimize ESP & integratedWORKING
applications
DRAFTto
RFI:meet
not forKPPs
official use.
SDK
21
21
Suggested OSEHRA Role in MUMPS Code Refactoring
1. Thought Leadership
2. OSEHR System Architecture, Product Definition and Roadmap
3. Technical, Operational and Functional Certification
4. Open Source Tools, Test & Collaboration Environment Management
5. Configuration Management of:
1. OSEHR Services Platform (ESP) Software Development Kit (SDK)
2. Codebase
3. Certification test artifacts (fixtures, results, attestations)
6. Technical/ Standards Mentoring, Verification and Validation of:
1. Refactoring
2. ESP system enablement (Refactored VistA Kernel & Fileman Modules)
3. Automated Certification test scripts, fixtures & Built-in-Test-Environment (BITE)
4. Operational/technical/functional testing and certification
7. Open Source Community Engagement and Professional Organizations Evangelism
22
ESP SDK
WORKING DRAFT RFI: not for official use.
22
Outline
ESP SDK Future-State
SAIF Conceptual Architecture
EHR Services Platform Concepts
ESP SDK Scope
Business Context
Clinical/Work Process Architecture
System Architecture
Information Architecture
Integration & Deployment Options
Potential Applications
Summary & Conclusion
CALL FOR PARTICIPATION
Please post comments at
http://www.osehra.org/group/architecture
ESP SDK
WORKING DRAFT RFI: not for official use
23
EHR IS Benefits
• Increases availability & accessibility of information  patient safety &
quality of care
• Eliminates/reduces costly data mapping
• Clarifies & communicates improved requirements (for vendors)
• Provides common reproducible software development processes
(interoperability design patterns)
• Encourages faster-and-lower-cost changes
• Supports efficient legacy transition to modernized systems
• Assures consistent information context and meaning
24
ESP SDK
WORKING DRAFT RFI: not for official use.
24
ESP SDK Scope
EHR IS CONCEPTUAL LAYER ADDRESSES BUSINESS CONTEXT
(Mission, objectives, stakeholders, benefits)
WORK PROCESS
INFORMATION
SYSTEM
Conceptual
framework V1
YES V2
framework
framework
YES V2
framework V1
YES V2
framework
Logical
framework
YES V2
framework
YES V2
framework
YES V2
TECHNOLOGY
Physical
EHR IS Implementations
ESP SDK
WORKING DRAFT RFI: not for official use.
25
Architecture Perspectives
Business
Architecture
Clinical
Work Process
Architecture
Potential
Applications
CONTEXT
Integration &
Deployment
Models
System
Architecture
Information
Architecture
ESP SDK
WORKING DRAFT RFI: not for official use
26
Architecture Perspectives
Business
Architecture
Clinical
Work Process
Architecture
Potential
Applications
CONTEXT
Integration &
Deployment
Models
System
Architecture
Information
Architecture
ESP SDK
WORKING DRAFT RFI: not for official use
27
Business Context
ESP SDK
WORKING DRAFT RFI: not for official use
28
Healthcare Industry
Elected
Federal
Government
Federal Agencies
and States
Provides $
Planning &
Resources
Planning &
Resources
Tax
$$$
VHA, MHS, IHS, SSA,
State Agencies, etc.
Homecare
Community
Care Center
Emergency
Services
Patient
Providers
Clients/Patients
Pharmacy
Specialist Clinic
Hospital
Emergency
Laboratory
Diagnostic
ESP SDK
WORKING DRAFT RFI: not for official use
29
International Industry: IT Spending Comparisons
IT spending as a % of total expenditures
12.1
Financial Services
5.7
Government
5.5
Telcos
4.2
Worldwide Health Providers
3.3
Transportation
2.7
Utilities
2.2
Textiles
1.9
Manufacturing
Petroleum
1.7
Pulp & Paper
1.6
Canadian Healthcare
Food & Bev
HELP NEEDED
This slide should
be updated to
current US
figures
1.4
1.2
SOURCE: Gartner Group – as reported in the Health Services Restructuring Commission’s (www.hsrc.gov.on.ca) report: Ontario Health Information Management Action Plan, June 1999
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30
Mean Hospital: IT spending in Canada <2%
IT budgets as a % of total hospital budget
25
less than 1%
1-1.4%
27
1.5-1.9%
27
12
2-2.4%
10
2.5% or more
0
5
10
15
20
HELP NEEDED
This slide should
be updated to
current US
figures
25
30
SOURCE: 2003 Report on I.T. in Canadian Hospitals: Top issues, applications and vendors. Canadian Healthcare Technology, 2003. CIHI NHex 2002 (Hospital Expenditures)
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31
Why an ESP?
The World of Healthcare
is Changing…
The Old World
The New World
Provider-focused
Illness centric
Site-of-care centric
Episode Management
Supply Management
Solitary decision making
Inefficiency
De-centralized, generalized care
Patient & family-focused
Medical home and wellness care
Continuum of care & case management
Disease and demand management
Collaborative, evidence-based decisions
Meaningful-Use objectives, metrics & criteria
Patient safety, quality and effectiveness
Centralized, specialized care
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32
Why an EHR IS?
The World of Healthcare
is Changing…
The changes in healthcare require
significant capability from the
health infostructure; this capability
does not fully exist today
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33
The Timing Has Never Been Better!
WILL
• Public wants more
accessibility
• Health Authorities
recognize benefits
• Increased financial
pressures
• Healthcare
professionals
embracing technology
• Willingness to
collaborate
ESP SDK
CONVERGENCE
CAPACITY
• Better infrastructure
• More mature
application
technologies
CAPABILITY
• Political will
• Funding is now available
• mandated to pursue investments
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34
EHR IS:
Key Concepts
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35
EHR
An Electronic Health Record (EHR) provides each individual with a secure and
private lifetime record of their key health history and care within the health system.
The record is available electronically to authorized health providers and the
individual anywhere, anytime in support of high quality care.
This record is designed to facilitate the sharing of data – across the continuum of
care, across healthcare delivery organizations and across geographies.
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36
Interoperable EHR Solution
The Interoperable EHR Solution is a combination of
people, organizational entities, business processes,
systems, technology and standards that interact and
exchange clinical data to provide high quality and
effective healthcare.
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37
EHR Information Services (EHR IS)
The EHR Information Services are a collection of common and reusable
component-services in support of a diverse set of health information
management applications. It consists of interoperable software-solutions
for the EHR, semantically-interoperable data and terminology for the EHR
and secure information-exchange standards for the EHR.
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38
EHR IS Outcomes
Providers
Researchers & Health
Surveillance
Professionals
• Relevant data, granular,
computable if needed
• Real time
• Rapid access from multiple
locations, anywhere,
anytime
• Decision support
•
•
•
Clinical reference data
Guidelines & protocols
Common terms & codes
Authoritative,
reliable, secure,
private
• Case management &
workflow
• Safety
• Improved quality of care
• Regulation & accountability
• Computable data
• Appropriately summarized
data
• Anonymized in framework
• Designed for analysis:
•
•
•
•
•
•
Statistical sampling
Trends
Outbreak detection
Outcome analysis
Regional
National
Payer/Payee
Patient/Public/Clients
• Convenient, relevant access to
accredited health information
• Access to relevant personal health
information
• Safety
• Improved quality of care
• Relevant data to adjudicate claim
• Workflow management
Public Sector Health Managers
•
•
•
•
Registry solutions & initiatives
Objective analysis of results & benefits
Management reports
Funding & resource allocation
• Policy
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Key EHR IS Architecture Concepts
INTEGRATED EHR SOLUTION
EHR Services Platform (ESP)
EHR IS
Locator
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of Service
Application
ESP SDK
Point of Service
Application
EHR Viewer
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40
EHR Services Platform (ESP) Recommended Approach
for Partner Collaboration
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
Population
Health
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
Point of
Service
Application
ESP
ESP SDK
Registries
Data &
Services
EHR Information Services (EHR IS)
Point of
Service
Application
EHR Viewer
ESP
EHR
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of
Service
Application
Health
Information
Data
Warehouse
ESP
ESP
ESP
Point of
Service
Application
ESP
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ESP
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41
EHR IS Infostructure: Conceptual Architecture
ORGANISATIONAL INFOSTRUCTURE
Population Health Data
& Services
Registries Data
& Services
Client
Registry
Outbreak
Management
PHS
Reporting
EHR Data
& Services
Shared
Health Record
Drug
Information
Data
Warehouse
Diagnostic
Imaging
Health
Information
Laboratory
Provider
Registry
Location
Registry
Business
Rules
EHR
Index
Terminology
Registry
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Data
Privacy Data
Configuration
Information and Common Services
EHR IS
Secure Communications Bus
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
Radiology
Center
PACS/RIS
Pharmacy
System
Pharmacist
Radiologist
Lab System
(LIS)
Lab Clinician
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Physician/
Provider
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Physician/
Provider
EHR Viewer
Physician/
Provider
See notes page
42
Guiding Principles for EHR Services Platform (ESP)
• Patient-centric
• Leverage legacy systems & solutions
• Easially customized views of all clinical data
•
VA VistA
• Value add for the provider
•
MHS AHLTA
•
Open Source Applications
• Timely, accurate information
• Enable sharing at local, regional,
cross-organizational
• Design for phased rollout with near
term results
• Scalable
• Interoperable, integrated applications
•
Individual provider’s Point-of-Service (POS)
•
Specialty, Ancillary, Public Health POSs
• Standards based
•
Interoperating with large -o-massive Enterprise
• Computable where required
• Extensible to support future growth
• Replicable solution – patterns, components
• Pragmatic and Cost-effective
• Secure & private
• Allow for innovation & competition
•
Open Source commodity applications
•
Best –of-class COTS applications
• Comprehensive
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HELP NEEDED
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be updated
Generations of EHR Capabilities
Gen 5
Full
The Mentor
Gen 4
The Colleague
Gen 3
Functionality
The Helper
Gen 2
The Documentor
Gen 1
The Collector
Minimal
1993
1998
2005
2010
2015+
End of 2009
Source: Gartner (December 2005)
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44
A Few Misconceptions About integrated EHR Solutions
Misconception
Reality
• A person’s health data is in only one
physical EHR
• EHR: an integrated service covering
all available integrated EHR Solutions;
a client’s record is seen as coming from
a single integrated EHR
• All data for a person must be in the
EHR to have value and generate
adoption
• An Organization is a provider practice
• The EHR is a data warehouse to
support research and surveillance
• Quality, safety & effectiveness
enhanced with only subsets of clinically
relevant data available for sharing
• An organization is any geo-political
entity mandated or chartered to govern
the operation of an integrated EHR
Solution
• The EHR IS: an information support
service available to caregivers in the
daily context of care provision work
activities
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45
Future-State-Architecture
GOAL: To Support Modular Plug-&-Play Innovation
Modular
Little Impact on links
Incremental
between components
Plug-&-Play
Innovation
(e.g., Interoperability)
Innovation
OBJECTIVE
A change-immune domain-specific componentarchitecture emphasizing interoperable standardsbased services, resulting-in simpler, loosely-coupled,
and less-costly agile module-level innovation.
Great impact on
components
Little impact on
components
PROBLEM
Little innovation, long lead times and
high costs resulting from complex
highly-coupled components
Start
Architectural
Innovation
Great Impact on links
between components
(e.g., interoperability)
Radical
Innovation
46
ESP SDK
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Coordination Across the Enterprise
Common
Services
Bus
(CSB)
Rules Engine
Technical Services
EHR IS
Terminology Model
Services Model
Information Model
Rule Set
Mapping to Legacy
Data Standardization
Translation
Service
MDR
Services
Communications
Physical
Data Model
Caching
Database
Topologies
Latency
Outside
• Clinical Measures
• Capabilities
• Applications
• Adapters
Infrastructure
47
ESP SDK
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The EHR IS drives the ESP enabled run-time environment
EHR IS
48
ESP SDK
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48
Pharmacy Delivery Use Case –
The EHR IS Leads the Way
Translation Services
Mediation Services
Rules Engine
Common Information Interoperability Framework (EHR IS)
Common Information Model, Common Terminology Model, Information Exchange Specifications,
Translation Service Common Data Standards:
49
ESP SDK
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Business/Clinical Scope
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50
EHR IS Serving Healthcare Service Delivery
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
Population Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
Registries
Data &
Services
Population Health
Data &
Services
Information Access & Longitudinal Record Services (LRS)
Registries
Data &
Services
EHR Information Services (EHR IS)
Poin of Service
Application
Point of Service
Application
EHR Viewer
Homecare
Point of Service
Application
EHR Viewer
Homecare
Community
Care Center
Emergency
Services
Community
Care Center
Clients/Patients
Pharmacy
Hospital
Emergency
Laboratory
Diagnostic
Emergency
Services
Clients/Patients
Specialist
Clinic
ESP SDK
EHR
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of Service
Application
Health
Information
Data
Warehouse
Specialist
Clinic
Pharmacy
Hospital
Emergency
Laboratory
Diagnostic
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51
Population/Public Health Business Requirements
• Focuses on managing health status of populations
• Managed and executed through complex network of public/private organizations acting at different
levels of the health system (Federal, State, Regional, Local, Individual)
• Involves:
•
Research & analysis to identify/define population health programs
•
Surveillance activities to detect and pro-actively react to potential population health problems
•
Application of health programs to prevent the appearance and/or dissemination of preventable diseases
•
Active management of communicable disease outbreaks
•
Active management of the delivery of health services to individuals in the context public health related programs
• Current focus limited to:
•
Surveillance and detection (focused on human health-related diseases)
•
Outbreak Management
•
Public Health Alert Management
•
Disease Information Dissemination
•
Immunization Management
•
Communicable Disease Case Management
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52
Integrating Population/Public Health in the Architecture
Candidate services required to support:
• Surveillance & Detection: There is a business need for a Health information data warehouse
• Outbreak Management: requires the addition of a new category of service called Population
Health Services where a specific service is introduced to address outbreak management;
analogous services will evolve.
• Common Information Integration Framework (EHR IS): addresses the need for a formal
terminology registry system that maintains information and terminology models for clinical
domains and other key terminologies required for many services of the ESP
• Public Health Alert Management
• Public health disease alert reporting requires use of specific applications also positioned as Population Health services
• Public health alerts dissemination relies on terminology registry and EHR IS Alerts and Notification services
• Immunization Management
• Immunization programs and their management requires a specific application that would live under the Population Health
services category
• Delivery of immunisation would be tracked by the drug information domain as part of the EHR
• Communicable Disease Case Management
• Delivery of health services in relation with the treatment of a CD case would be tracked by the shared health record and other
domains as part of the EHR
• Management of a CD case from the perspective of the public health specialists involved in detection and tracking would require a
specific application that would live under the Population Health services category
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53
Integrating Public Health in the Architecture
Some Public Health business requirements can be sustained by the
existing services of the EHR Infostructure
• Public Health Alert Management: EHR IS and LRS to provide for mechanism to help with
detection & reporting on communicable diseases
• Immunization Management: Drug Information Domain is the home of immunization
information as part of the core clinical data in client’s health records. EHR IS and LRS to
provide mechanisms to communicate the data and coordinate its location and access within
the EHRi
• Communicable Disease Case Management: CD Cases, from the perspective of the EHR
are treated like any other health delivery encounter
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54
EHR IS Serving Public Health Service Delivery
ORGANIZATIONAL INFOSTRUCTURE
Immunization
“Registry“
Population Health Data
& Services
Registries Data
& Services
Client
Registry
Outbreak
Management
Provider
Registry
EHR Data
& Services
PHS
Reporting
Shared
Health Record
Drug
Information
Data Warehouse
& Services
Diagnostic
Imaging
Health
Information
Laboratory
Case
Management
Reference
Management
Location
Registry
Business
Rules
EHR
Index
Message
Structures
Terminology
Registry
Normalization
Rules
PHS Data
Warehouse
Services
Information Access & Longitudinal Record Services (LRS)
Alert Notification
Services
Content &
Knowledge
Management
Messaging
Security &
Privacy Services
Security Mgmt
Data
Privacy Data
Configuration
Information and Common Services
EHR IS
Secure Communications Bus
PHS Systems
Operational data
PHS
A
CM
OM
AM
IM*
Other PH
System(s)
Pharmacy
System
Radiology
Center
PACS/RIS
Lab System
(LIS)
Hospital,
Community,
etc… EPR
Physician
Office EMR
EHR Viewer
Public Health Surveillance Portal
Pharmacist
POINT OF SERVICE
ESP SDK
Public Health Providers
Radiologist
Lab Clinician
Physician/
Provider
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Physician/
Provider
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Physician/
Provider
55
Telehealth Business Requirements
• Telehealth: the use of information & communication technologies to deliver health
services in contexts where the providers and clients are in separate locations
• Telecommunication infrastructure is a pre-requisite
• Telehealth solutions enable health service delivery channels:
Tele-consultations
Videoconferencing
stations, communication
enabled medical
devices
Tele-education
Videoconferencing
stations used for
training/education
Tele-homecare
Active or passive
monitoring of remote
patients for pre-/
post-op procedures,
chronic diseases
management, etc
Tele-triage
Centralized call centers
to offer first line delivery
of service to clients as
part of primary care and
emergency response
• Scheduling solutions – a key enabler required for the effective use of telehealth service delivery
• EHR Infostructures support telehealth applications as per any other Point-of-Service Application
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EHR IS Serving Telehealth Scheduling
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Client
Registry
Population Health Data
& Services
Outbreak
Management
PHS
Reporting
EHR Data
& Services
Shared
Health Record
Drug
Information
Data
Warehouse
Diagnostic
Imaging
Health
Information
Laboratory
Provider
Registry
Location
Registry
Terminology
Registry
Business
Rules
EHR
Index
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Rules/Data
EHR IS
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
Secure Communications Bus
TSA
Database
Patient
Info
End-user
Info
Event
History
Clinical
Profile
Scheduling
Video
Session
Referring
Physician
Site
POINT OF SERVICE
Physician/
Provider
Attending
Physician
Site
Physician/
Provider
Telehealth Scheduling Application (TSA)
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57
EHR IS Framework: Tele-Consultation
EHR INFOSTRUCTURE (EHRi)
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
EHR INFOSTRUCTURE (EHRi)
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
Population
Health
Data &
Services
ESP SDK
Telehealth
Application
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Local Electronic
Medical Record
Health
Information
Data
Warehouse
EHR Information Services (EHR IS)
Live Video-Conferencing
Session
Tele-Consultation Devices Data
Telehealth
Application
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Local Electronic
Patient Record
58
EHR IS Framework: Tele-Homecare
EHR INFOSTRUCTURE (EHRi)
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
EHR INFOSTRUCTURE (EHRi)
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Local Electronic
Medical Record
ESP SDK
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Homecare
Application Server
Tele-Homecare Data Feed
Tele-Consultation Devices
Homecare
Client Application
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59
EHR IS Framework: Tele-Triage
EHR INFOSTRUCTURE (EHRi)
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
EHR INFOSTRUCTURE (EHRi)
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
End-user Info
Event
History
Clinical
Profile
Scheduling Video Session
Health
Information
Data
Warehouse
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Patient Info
Population
Health
Data &
Services
EHR Information Services (EHR IS)
Tele-Triage
Application
Personal
Health Record
Application
EHR Viewer
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60
Clinical, Business &
Socio-economic Drivers
for integrated EHR
solutions
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61
Why is Value Created by an integrated EHR solution?
• Healthcare professionals make clinical decisions based on knowledge
• Encounter and Case Management,
• Care Plan,
• Health Concern Tracking
• Analytics
• Better knowledge translates to better care
• Knowledge starts with accurate, relevant clinical information
• The EHR creates the capability to share relevant clinical information
• The 5 Rs of the EHR:
• The right information
• About the right client
• Available to the right person
• In the right place
• At the right time
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62
How Is Value Delivered By An ESP Enabled System?
The value of the ESP Enabled System for clients, families and their
providers increases with the completeness of the information contained
as well as the level of standardization of the data
Point of
greatest value
Extent of the Care
Continuum Involved
(PCP office, Hospital, Long
Term Care Homecare, etc.)
# of Data Domains Included
(Encounter Summaries, Lab, DI, Drugs, etc.)
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63
Why Pursue The EHR IS: Circle of Care
Homecare
Clinic
Emergency Services
Community
Care Center
Pharmacy
Specialist Clinic
Laboratory
Hospital
Emergency
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Diagnostic
See notes page
64
DoD priorities:
1. Experience of care
2. Readiness
3. PopHealth
4. Per capita costs
Why Pursue The EHR: Benefits
Homecare
Clinic
Emergency Services
Community
Care Center
Pharmacy
QUALITY
SAFETY
ACCESSIBILITY
Specialist Clinic
Laboratory
Hospital
Emergency
ESP SDK
Diagnostic
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65
The EHR IS is a Key to a
Renewed Health System!
integrated EHR Solutions provide
an opportunity to
• Improve the quality, safety,
accessibility and timeliness of care
• Support more informed healthcare
decision making, research and
management
• Improve the efficiency of the healthcare
system and reduce costly duplication
• Maximize return on IT investments
• Achieve standards based solution
allowing interoperability
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66
EHR IS Key Clinical & Business Requirements
• Life-long longitudinal record of clinical data
• Allowing private and secured access to data made available in EHR
• Focused on clinically relevant data shared beyond organizational boundaries
• Support for accurate, complete, timely delivery of information
• Shared across multiple organizations, Organizations
• Adaptive to the future of healthcare delivery in the 21st Century
• Requiring ongoing governance and operations management with 24/7 high
availability service
• Affordable in relation to complexity and size of integration challenges (connecting large
numbers health points of service)
• Scalable to allow continuous, extensive growth of clinical and financial ROI
• More POS applications sourcing data to EHR
• More users accessing and using data from EHR
• Allowing natural growth of capabilities towards Generation 3 and beyond
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See notes page
67
Different Approaches To
Achieving EHR IS
ESP SDK
WORKING DRAFT RFI: not for official use
68
EHR IS: How Do We Do This?
Sharing Information From Multiple Systems
Homecare
Clinic
Emergency Services
Community
Care Center
Pharmacy
INTEGRATED
VIEW
Clients/Patients
Specialist Clinic
Laboratory
Hospital
Emergency
ESP SDK
WORKING DRAFT RFI: not for official use.
Diagnostic
69
Methods of Sharing EHR Information
The “Big Database
in the Sky”
Broadcast to all or
a logical subset of
Systems (caching)
The “Big Index in
the Sky”
• All Point-of-Service
(POS) systems share
same data store
• Replication of data
from one system to
all other relevant/
participating POS
systems
• EHR Index or locator
service that holds
links to all POS
systems where
information resides
• Every POS
system holds same
information
• Each POS system
interfaces to other
systems
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Use of a
shared reference
information source
• POS systems
populate it
• POS systems or
viewers reference it
• External to the
“operational” store
70
Key Factors Affecting How to Share
• Sharing creates some very profound issues & requirements
• Unique identification of clients, providers, service delivery locations, etc.
• Protecting privacy and confidentiality of patients and providers while
simultaneously not limiting the ability to deliver appropriate services
• Ensuring information is stored, shared securely
• Ensuring compatibility of how data is interpreted/understood --- EHR IS
DEERS EDIPN
Service is the DoDVA unique person
identification
solution
• Issues the same no matter which model is chosen to share patient
identified information
• Governance model for healthcare means these issues are organizational
responsibilities – requirements vary
• People increasingly mobile, especially when considering long periods
of time
• Provider’s confidence in the mechanisms to enable sharing is crucial
The DoD & VA use the Electronic Data Interchange Personal Number, or EDIPN, is a unique number assigned to a record in the United States Department of
Defense's Defense Enrollment and Eligibility Reporting System (DEERS) database. A record in the DEERS database is a person plus personnel category (e.g.
contractor, reservist, civilian, active duty, etc.).
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71
The Integration Challenge
of integrated EHR
Solutions
ESP SDK
WORKING DRAFT RFI: not for official use
72
Integrating Heterogeneous Systems
Homecare
Clinic
Emergency Services
Community
Care Center
Pharmacy
Clients/Patients
Specialist Clinic
Laboratory
Hospital
Emergency
ESP SDK
WORKING DRAFT RFI: not for official use.
Diagnostic
73
Integrating Heterogeneous Systems: Hospital
Hospital Emergency
Homecare
Clinic
Emergency Services
Finance,
inventory,
payroll
ADT
Order/
Results
Electronic
Patient
Record
Specialized
Care
Community
Care Center
Pharmacy
Human
Resources
Scheduling
Laboratory
Clients/Patients
Clinical Data
Repository
Specialist Clinic
Radiology
PACS
Emergency
Laboratory
Hospital
Emergency
ESP SDK
Pharmacy
WORKING DRAFT RFI: not for official use.
Diagnostic
74
Integrating Heterogeneous Systems: Hospital
Homecare
Clinic
Clinic
Emergency Services
Scheduling
Accountiing/
Billing
Electronic
Medical
Record
Community
Care Center
Pharmacy
Clients/Patients
Specialist Clinic
Laboratory
Hospital
Emergency
ESP SDK
WORKING DRAFT RFI: not for official use.
Diagnostic
75
Locations of Electronic Clinical Data Today: Number of
Systems to Integrate
Homecare
Clinic
Emergency Services
DoD/VA each have
• 100+ regional systems/hospitals
• 1000+Clients/Patients
clinics
• 100,000+ clinical staff
• 1,000,000+ patients
Community
Care Center
Specialist Clinic
Laboratory
Hospital
Emergency
ESP SDK
Pharmacy
Diagnostic
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76
Integrating Health Information Systems: Key Challenges
• Protecting Privacy
•
•
•
•
•
Governance, accountability & data custodianship
Controlling access
Managing & applying consent directives
Controlling feeds and queries to the data
Trust relationships & contracts
• Existence & availability of data thru EHR IS
• Discovery capability
• Availability in electronic format
• Timeliness
• Harmonization through EHR IS
• Data structures (format)
• Vocabularies (encoding, normalization)
• Semantics
• Heterogeneous technology environments
• Number of organizations, connection points & systems
• Costs inherent to integration
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77
Recommended Approach:
The Cost of Integration
As A Key Driver
ESP SDK
WORKING DRAFT RFI: not for official use
78
Integrating Health Information Systems:
Point-to-Point Connectivity
SYSTEMS TO CONNECT
ApplApp
1 1
Costs basis
AppAppl
1 2
• Cost of one integration
• Simple = $32K; Medium = $95K;
Complex = $190K
Contracts
App 1
App 1
2
Futile approach
SYSTEMS TO CONNECT
• 38,783 systems (Canadian example)
ApplApp
1 App
1 1
AppAppl
1 2
ApplApp
3 App
1 1
• Simple = $4,527; Medium = $20,081;
Complex = $14,175
• 1.5 B integration points
6
• $183.928 B
SYSTEMS TO CONNECT
App 1
ApplApp
1 App
1 1
AppAppl
1 2
App 1
We need a different approach
App 1
ApplApp
3 App
1 1
AppAppl
1 4
App 1
12
Interfaces = N (N-1)
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79
Integrating Health Information Systems:
Hospital Networks Approach
SYSTEMS TO CONNECT
ApplApp
1 1
Costs basis
AppAppl
1 2
• Cost of one integration
• Simple = $32K; Medium = $95K;
Complex = $190K
Contracts
App 1
App 1
2
Hypothesis
SYSTEMS TO CONNECT
ApplApp
1 App
1 1
• 1,126 Hospital networks, each
includes 71 systems to integrate and
group (EAI) in 44 points of
integration
AppAppl
1 2
ApplApp
3 App
1 1
• 1,892 (44 x 43) integrations per
network totalling 2.1 M (1,126 x
1,892) (Canadian example)
6
SYSTEMS TO CONNECT
App 1
ApplApp
1 App
1 1
AppAppl
1 2
App 1
• Assuming existence of standardized
protocol for interfaces
• $68.172 M
App 1
ApplApp
3 App
1 1
AppAppl
1 4
12
App 1
(if Simple – $32K)
• $202.316 M (if Medium – $95K)
We need a different approach
Interfaces = N (N-1)
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80
Rational for Recommended Approach
• Only cost effective scenario to handle degree of application integration required
• Maximized ability to deliver proper response time and consistent access to data
across thousands of source systems
• Maximized ability to apply privacy and security policies in a harmonized and
consistent fashion
• Enables evolutionary path to semantic harmonization of health information
across service delivery points
• Enables high degree of scalability from local health services integration, to
regional, state and cross-organizational
• Enables high degree of flexibility in reconfiguration of health services
delivery networks
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81
Architecture Perspectives
Business
Architecture
Clinical
Work Process
Architecture
Potential
Applications
CONTEXT
Integration &
Deployment
Models
System
Architecture
Information
Architecture
ESP SDK
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82
EHR IS Work Process Architecture
• The EHR Clinical Reference Framework: Life of the Lamberts
• Depiction of the use of an integrated EHR Solution in different contexts of health
service delivery
• 14 different storyboards created
• Extensible by adding new use cases
• System or security administration use cases not represented
• Life of the Lamberts
• Patient centric framework
• Focused on different members of a family and their health status evolution
• Focused on health related events
• Represented with UML use case notation
• Published as artefacts under the Artefact Repository
• Available in HTML and PDF format
• Available in Magic Draw format and XMI for upload to other case tools
Functional/Clinical Help needed downloading, verifying, validating
the 14 storyboards and integrating them into the SDK
https://www.infoway-inforoute.ca/working-with-ehr/knowledgeway/knowledge-center/657
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83
EHR IS Reference Architecture
Comm Step Put New Patient
EHR IS
POS APPLICATION
SIGNIFICANT REUSE
HERE
Encounter
Life Of
The Lamberts
COPD
Storyboard
Encounter
Clinical Activity
Clinical Events
Storyboard
New
Family Physician
Activity
New
Family Physician
Activity
Clinic Visit
Admission
EHR IP
Clinical Activity
Clinical Events
EHR IP
Clinical Events
EHR IP
Storyboard
EHR IP
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
EHR IP
Pharmacy
System
EHR IP
Radiology
Center
PACS/RIS
Pharmacist
Radiologist
EHR IP
Lab System
(LIS)
Lab Clinician
EHR IP
Hospital, LTC,
CCC, EPR
EHR IP
Physician
Office EMR
Physician/
Provider
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EHR IP
Add New Patient
EHR IP
EHR Viewer
Physician/
Provider
EHR IS
Reference
Architecture
Physician/
Provider
84
Documenting EHRi Services Requirements
ORGANIZATIONAL INFOSTRUCTURE
EAI IP
Provider
Registry
EAI IP
Location
Registry
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Outbreak
Management
PHS
Reporting
Shared
Health Record
Drug
Information
Diagnostic
Imaging
Laboratory
EAI IP
EAI IP
EAI IP
EAI IP
EAI IP
EAI IP
Business
Rules
EHR
Index
EAI IP
Client
Registry
EAI IP
Registries Data
& Services
Terminology
Registry
Message
Structures
Health
Information
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
EAI IP
EHR IS
EHR IS
IP is Interoperability Profile
EAI is Enterprise Application Integration
ESP SDK
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
IP “Put”
EHR IP
Data
EHR IP
IP “List” Secure Communications
IP “Get”Bus
EHR IP
Data
EHR IP
Hospital, LTC,
CCC, EPR
POINT OF SERVICE
Security Mgmt
Rules/Data
EAI IP
Radiologist
Physician
Office EMR
Lab Clinician
EHR IP
Data
IP “List”
EHR IP
Data
IP “Get”
EHR IP
Data
EHR IP
EHR IP
EHR IP
Physician
Office EMR
EHR Viewer
EHR Viewer
Physician/
Provider
Physician/
Provider
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Physician/
Provider
EHR IS
Reference
Architecture
85
People Use Cases: Caregiver Perspective
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
Registries Data
& Services
EHR Data
& Services
Data
Warehouse
• First class of SDK informative deliverables are contextual & informational
• They describe the end-user functional requirements and assumptions for use of an integrated EHR Solution
(DoDAF OV-3: Operational Resource Flow Matrix)
• Establish when POS applications expected to interact with an EHRi in the context of daily work activities
for caregivers (DODAF OV-6c: Event-Trace Description aka BPMN use case diagrams)
• ESP SDK is only documenting Interoperability Specifications (ISs); not internal EHR features.
• Scope is broad enough to cover large spectrum of healthcare and public health service delivery to
achieve representative set
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
EHR INTERFACE REQUIREMENTS DOCUMENTATION
Public Health
Services
Radiology
Center
PACS/RIS
Pharmacy
System
Storyboards,
Use Cases
Stakeholder Entities
POINT OF SERVICE
ESP SDK
Public Health
Provider
Pharmacist
Radiologist
Lab System
(LIS)
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Events, Encounters,
Episodes of Care
Lab Clinician
Physician/
Provider
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EHR Viewer
Clinical Activities,
Information Exchanges
Physician/
Provider
Physician/
Provider
86
EHR Interoperability Profile (EHR IP)
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
Registries Data
& Services
EHR Data
& Services
Data
Warehouse
• Second class of SDK normative deliverables; specify the interfaces between POS applications
and ESP Enabled System (DODAF SV-6: Systems Resource Flow Matrix & SvcV-6: Services Resource Flow
Matrix)
• Establishes a language to describe types of service requests made to an EHRi (DODAF SV-1: Systems
Interface Description & SvcV-1: Services Context Description)
• Positions which data to be exchanged by referring to data views of the data model (DODAF DIV-1:
Conceptual Data Model & DIV-2: Logical Data Model)
• Assumes SOAP-based web services calls where XML encoded HL7 V3 message requests … V3?
and responses are carried between POS applications and the EHRi
EHR IS
EHR Interoperability Profile (IP)
Public Health
Services
Pharmacy
System
Radiology
Center
Information
Exchange
PACS/RIS
Content Standards
POINT OF SERVICE
ESP SDK
Public Health
Provider
Pharmacist
Radiologist
Lab System
Hospital, LTC,
(LIS) Information Exchange
CCC, EPR
Physician
Office EMR
EHR Viewer
Transport Standards
Lab Clinician
Physician/
Provider
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Physician/
Provider
Physician/
Provider
87
EHR Infostructure IP (EHR I-IP)
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Client
Registry
Population Health Data
& Services
Outbreak
Management
PHS
Reporting
EHR Data
& Services
Shared
Health Record
Drug
Information
Data
Warehouse
Diagnostic
Imaging
Laboratory
Health
Information
Provider
Registry
• Third class of SDK normative deliverables; specify inner workings within ESP Enabled System Infostructure to
orchestrate and process transactions (DODAF SV-10c: Systems Event-Trace Description & SvcV-10c:
Business
EHR
Message
Normalization
Services Event-Trace
Rules Description)
Index
Structures
Rules
Location
Registry
Terminology
• Express
Registry
sequencing of activities to process
transactions
(DODAF
SV-5a:
Information Access
& Longitudinal
Record Services
(LRS)Operational Activity to Systems
Function Traceability Matrix & SvcV-5: Operational Activity to Services Traceability Matrix)
• Express expected capabilities of services within an EHRi to process transactions (DODAF CV-3: Capability
Security Mgmt
Privacy
Configuration
Phasing)
Rules/Data
Rules/Data
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
INFOSTRUCTURE INTEROPERABILITY PROFILE
Infostructure
IP
Infostructure
Services Catalogue
Generic Interface
Specification
POINT OF SERVICE
ESP SDK
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88
Enterprise Application Integration (EAI IP)
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Client
Registry
Population Health Data
& Services
Outbreak
Management
PHS
Reporting
EHR Data
& Services
Shared
Health Record
Drug
Information
Diagnostic
Imaging
Data
Warehouse
Laboratory
Health
Information
Provider
Registry
• Fourth class of SDK normative deliverables; specify inner workings within ESP Enabled System Applications
to orchestrate and process transactions (DODAF SV-10c: Systems Event-Trace Description & SvcV-10c:
Business
EHR
Message
Normalization
Services Event-Trace
Rules Description)
Index
Structures
Rules
Location
Registry
Terminology
• Express
Registry
sequencing of activities to Information
processAccess
transactions
(DODAF
SV-5a:
& Longitudinal
Record Services
(LRS)Operational Activity to Systems
Function Traceability Matrix & SvcV-5: Operational Activity to Services Traceability Matrix)
• Express expected capabilities of services within an EHRi to process transactions (DODAF CV-3: Capability
Security Mgmt
Privacy
Configuration
Phasing)
Rules/Data
Rules/Data
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
Enterprise Application Integration Interoperability Profile / Specification
Application
IP
Application
Services Catalogue
Generic Interface
Specification
POINT OF SERVICE
ESP SDK
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89
Architecture Perspectives
Business
Architecture
Clinical
Work Process
Architecture
Potential
Applications
CONTEXT
Integration &
Deployment
Models
System
Architecture
Information
Architecture
ESP SDK
WORKING DRAFT RFI: not for official use
90
EHR Infostructure: Services Drill-Down
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
Registries Data
& Services
Client
Registry
Outbreak
Management
PHS
Reporting
EHR Data
& Services
Shared
Health Record
Drug
Information
Data
Warehouse
Diagnostic
Imaging
Health
Information
Laboratory
Provider
Registry
Location
Registry
Business
Rules
EHR
Index
Terminology
Registry
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
Radiology
Center
PACS/RIS
Pharmacy
System
Pharmacist
Radiologist
Lab System
(LIS)
Lab Clinician
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Physician/
Provider
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Physician/
Provider
EHR Viewer
Physician/
Provider
91
EHR Infostructure: Standards Based Connectivity
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
EAI IP
Provider
Registry
EAI IP
Location
Registry
EHR Data
& Services
Data
Warehouse
Outbreak
Management
PHS
Reporting
Shared
Health Record
Drug
Information
Diagnostic
Imaging
Laboratory
EAI IP
EAI IP
EAI IP
EAI IP
EAI IP
EAI IP
Business
Rules
EHR
Index
EAI IP
Client
Registry
EAI IP
Registries Data
& Services
Terminology
Registry
Message
Structures
Health
Information
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
EAI IP
IP is Interoperability Profile
EAI is Enterprise Application Integration
EAI IP
Security Mgmt
Rules/Data
EAI IP
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
EHR SCP
Standards
EHR IP
EHR IP Standards
EHR IP
EHR IP Standards
EHR IP Standards
EHR IP
EHR IP
EHR IP Standards
EHR IP
EHR IP Standards
EHR IP Standards
EHR IP
EHR IP Standards
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
Public Health
Services
Pharmacy
System
Radiology
Center
PACS/RIS
Lab System
(LIS)
Hospital, LTC,
CCC, EPR
Physician
Office EMR
EHR Viewer
POINT OF SERVICE
ESP SDK
EHR IP
Public Health
Provider
Pharmacist
Radiologist
Lab Clinician
Physician/
Provider
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Physician/
Provider
Physician/
Provider
92
EHR Infostructure: Secure Communications Bus
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Secure Communications Bus
MESSAGING
Transformation
Services
Routing
Services
Encrypt/Decrypt
Services
En/Decoding
Services
Parser
Services
Serialization
Services
EHR IS
PROTOCOL
App Protocol
Services
Secure Communications Bus
Network Protocol
Services
POINT OF SERVICE
ESP SDK
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93
EHR Infostructure: Common Services
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
COMMON SERVICES
& Services
EHR Data
& Services
PRIVACY & SECURITY
INTEROP
Interoperability
Services
Identity Protection
Services
Anonymization
Services
Consent Directives
Mgmt Services
Search/Resolution
Services
Identity Mgmt
Services
User Authentication
Services
Encryption
Services
INTEGRATION
Access Control
Services
Secure Auditing
Services
Digital Signature
Services
Service Catalogue
Services
General Security
Services
Broker Services
Mapping Services
SUBSCRIPTION
Queuing Services
Alert/Notification
Services
CONTEXT
Pub/Sub
Services
EHR IS
Caching Services
Data
Warehouse
MANAGEMENT
GENERAL
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration
Rules/Data
Management Information and Common
Auditing Services
Services
Services
Configuration
Services
Log Mgmt
Services
Policy Mgmt
Services
Exception/Error
Handling Services
Session Mgmt
Services
POINT OF SERVICE
ESP SDK
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94
EHR Infostructure: Longitudinal Record Services (LRS)
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Longitudinal Record Services (LRS)
DATA
Business
Rules
EHR
Index
Message
Structures
Normalization
Rules
Key Mgmt
Services
Data
Services
ETL
Information Access & Longitudinal Record Services (LRS)Services
Replication
Services
BUSINESS
Data Quality
Services
Normalization
Services
EHR IS
Domain Business Components
(Registries, EHR, Domains, User, Context)
EHR Index
Services
Business Rules
Services
Orchestration
Services
Assembly
Services
POINT OF SERVICE
ESP SDK
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95
EHR Infostructure: Longitudinal Record Services (LRS)
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
The EHR Index maintains a sequential list of all events that affect the clinical
picture of a client. It also provides the location where the data relevant to each
event is kept in the EHRi. It can be used to retrieve the history of events for a
client or to trace the information about a specific event.
EHR Data
& Services
Data
Warehouse
Longitudinal Record Services (LRS)
DATA
EHR INDEX
Event ID (Instance ID of an
Business
Rules
event)
Parent Folder ID
Focal Class Type
EHR
Index
Message
Structures
Normalization
Rules
Key Mgmt
Services
Data
Services
ETL
Information Access & Longitudinal Record Services (LRS)Services
Replication
Services
Focal Act Subject (Client ECID)
Focal Act Author (Provider)
BUSINESS
Focal Act Service Delivery Location
Data Quality
Services
Focal Act Timestamp
Normalization
Services
EHR
IS
Focal
Act Status
Domain Business Components
(Registries, EHR, Domains, User, Context)
Focal Act Language
Focal Act Type:
• Act Mood (e.g. Order Request)
• Act Class Code (type of class, e.g. Lab order)
• Act Code (Class value, e.g. CBC)
Focal Act Source ID (ID provided by POS)
EHR Index
Services
Business Rules
Services
Orchestration
Services
Assembly
Services
Focal Act Template ID
Focal Act Data Location ID (URI)
POINT OF SERVICE
ESP SDK
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96
EHR Infostructure: EHR IS Locator Data
CROSS-ORGANIZATIONAL INFOSTRUCTURE
•
•
•
•
•
EHR IS
Locator
EHRi Client ID (resolved ECID)
CR instance ID (OID root)
EHRi instance ID (which instance of an EHRi)
EHRi URI (the URI to access the EHR IS)
Optimized for performance
• Information type (drug, lab, DI) (derived from HL7 act classes)
• First created date
• Last updated date
ORGANIZATIONAL INFOSTRUCTURE
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
Point of
Service
Application
Health
Information
Data
Warehouse
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of
Service
Application
Population
Health
Data &
Services
EHR Information Services (EHR IS)
EHR Viewer
Point of
Service
Application
Point of
Service
Application
EHR Viewer
POINT OF SERVICE
ESP SDK
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97
Centralized Service Approach
CROSS-ORGANIZATIONAL INFOSTRUCTURE
EHR IS
Locator
ORGANIZATIONAL INFOSTRUCTURE
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
Health
Information
Data
Warehouse
Population
Health
Data &
Services
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
Point of Service
Application
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of Service
Application
Health
Information
Data
Warehouse
Population
Health
Data &
Services
Point of Service
Application
Point of Service
Application
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
EHR Viewer
Health
Information
Data
Warehouse
Population
Health
Data &
Services
EHR Information Services (EHR IS)
EHR Viewer
Point of Service
Application
Point of Service
Application
EHR Viewer
POINT OF SERVICE
ESP SDK
Organization
Organization
Organization
A
B
C
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98
Distributed Service Approach
CROSS-ORGANIZATIONAL INFOSTRUCTURE
EHR IS Locator Synchronization
EHR IS
Locator
EHR IS
Locator
ORGANIZATIONAL INFOSTRUCTURE
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
Health
Information
Data
Warehouse
Population
Health
Data &
Services
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
Point of Service
Application
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of Service
Application
Health
Information
Data
Warehouse
Population
Health
Data &
Services
Point of Service
Application
Point of Service
Application
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
EHR Viewer
Health
Information
Data
Warehouse
Population
Health
Data &
Services
EHR Information Services (EHR IS)
EHR Viewer
Point of Service
Application
Point of Service
Application
EHR Viewer
POINT OF SERVICE
ESP SDK
Organization
Organization
Organization
A
B
C
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99
EHR IS Locator: LRS Integrated Approach
CROSS-ORGANIZATIONAL INFOSTRUCTURE
EHR IS
Locator
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Client
Registry
Provider
Registry
Location
Registry
Terminology
Registry
Business
Rules
EHR
Index
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
EHR IS
POINT OF SERVICE
ESP SDK
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100
LRS Integrated Services Approach
CROSS-ORGANIZATIONAL INFOSTRUCTURE
Client Registry Synchronization
ORGANIZATIONAL INFOSTRUCTURE
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR IS ENABLED SYSTEM SOLUTION
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
EHR INFOSTRUCTURE (EHRi)
Health
Information
Data
Warehouse
Population
Health
Data &
Services
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
Point of Service
Application
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
Point of Service
Application
Health
Information
Data
Warehouse
Population
Health
Data &
Services
Point of Service
Application
Point of Service
Application
EHR
Data &
Services
Registries
Data &
Services
Information Access & Longitudinal Record Services (LRS)
EHR Information Services (EHR IS)
EHR Viewer
Health
Information
Data
Warehouse
Population
Health
Data &
Services
EHR Information Services (EHR IS)
EHR Viewer
Point of Service
Application
Point of Service
Application
EHR Viewer
POINT OF SERVICE
ESP SDK
Organization
Organization
Organization
A
B
C
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101
EHR Infostructure: EHR Data Domain Services
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Shared
Health Record
Drug
Information
Diagnostic
Imaging
Data
Warehouse
Laboratory
SHARED HEALTH RECORD
DATA
Key Mgmt
Services
EHR IS
Data
Services
BUSINESS
Domain Business Components
(Registries, EHR, Domains, User, Context)
Normalization
Services
Business Rules
Services
EHRi Interoperability
Services
Assembly
Services
POINT OF SERVICE
ESP SDK
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102
EHR Infostructure: EHR Viewer
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
EHR VIEWER
EHRi Interoperability
Services
Data
Services
EHR Viewer
Business Objects Components
Normalization
Services
Business Rules
Services
End-user
Navigation Services
End-user
Display Services
EHR IS
EHR Viewer
Physician/
Provider
POINT OF SERVICE
ESP SDK
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103
EHR Infostructure: Client Registry
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Client
Registry
Provider
Registry
Location
Registry
Terminology
Registry
EHR IS
POINT OF SERVICE
ESP SDK
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104
EHR Infostructure: Why A Client Registry?
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Client
Registry
Provider
Registry
Location
Registry
Terminology
Registry
Has Mr. Lambert had any ER
visits since I’ve last seen him
one year ago?
EHR IS
Patient
Info
End-user
Info
Visit
History
Drug
Profile
Laboratory
Diagnostic
Imaging
POINT OF SERVICE
EHR Viewer
Physician/
Provider
EHR VIEWER
ESP SDK
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105
EHRi Client Registry: The Challenge
EMPI
1: A 123 Robert Lambert 1 Main St
1: B 456 Bob Lambert 1 Main St
1: C 789 Robert Lambert 1 Main St
1: C 987 Robert Lambert 1 Main St
2: B 444 Robert Lambert 2 Elm St
Pharmacy
Lab
???
A
B
C
123 Robert Lambert 1 Main St
456 Bob Lambert 1 Main St
444 Robert Lambert 2 Elm St
789 Robert Lambert 1 Main St
987 Robert Lambert 1 Main St
ESP SDK
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106
EHRi Client Registry: What Data?
Name
Birthdate
Gender
The generation (or sourcing)
of the EHRI Client Identifier
(ECID) is a service offered
by the Client Registry.
Address
Phone
SSN
ULI
ECID
The ECID is the foundation
for interoperability both
locally and across EHR
Infostructures.
MDR – Medical Device Regulations
SSN – Social Security Number
ULI – Unique Lifetime Identifier
Static, natural
person identity
information
Dynamic, natural
person identity
information
Static, artificial
person-identifying
information
MDR ID
Lab ID
Dynamic, artificial
person-identifying
information
Eligibility status
Coverage details
Core system data
about the person
The DoD & VA ULI is called Electronic Data Interchange Personal Number, or EDIPN, is a unique number assigned to a record in the United States Department
of Defense's Defense Enrollment and Eligibility Reporting System (DEERS) database. A record in the DEERS database is a person plus personnel category (e.g.
contractor, reservist, civilian, active duty, etc.).
ESP SDK
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107
EHRi Client Registry: Interoperability Pattern
ORGANIZATIONAL
ECID: J1 Root ID. Client ID
ECID: J2 Root ID. Client ID
Client
Registry
J1
Client
Registry
J2
Client
Registry
J1/2
Client
Registry
J1.1
Applications
ESP SDK
Active synchronization
of travelling clients only
Applications
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108
EHR Infostructure: Provider Registry
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Client
Registry
Provider
Registry
Location
Registry
Terminology
Registry
EHR IS
POINT OF SERVICE
ESP SDK
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109
EHR Infostructure: Why A Provider Registry?
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
Client
Registry
Provider
Registry
Location
Registry
Terminology
Registry
Have any new test results been
published for me?
EHR IS
Patient
Info
End-user
Info
Visit
History
Drug
Profile
Laboratory
Diagnostic
Imaging
POINT OF SERVICE
EHR Viewer
Physician/
Provider
EHR VIEWER
ESP SDK
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110
Provider Registry: Data Sources
ORGANIZATIONAL
Doctors
Unlicensed
Providers
Dentists
EHR SCP Standards
Provider Registry
Provider
Registry
EHR SCP Standards
Provider Registry
Applications
Applications
Applications
REGIONAL
ESP SDK
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111
Standards-based
Solutions: What Does
It Mean?
ESP SDK
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112
integrated EHR Solutions: Key Architectural Requirements
Standardized
Architecture
Standardized
Interfaces
Standardized
Data Structures
Standardized
Data Vocabularies
(encoding rules)
Standards-based
Solutions
Standardized
Functional Behaviour
ESP SDK
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113
Standards-based Solutions
Why Standards?
• They facilitate information exchange; are a critical foundation
for EHR
• They create opportunity for future cost reduction as vendors
and systems converge on national and international standards
• They ease effort required for replication
Mandatory Investment Eligibility Requirements
• Compliance to standards (infostructure, architecture)
• Initiatives must comply with existing guidelines or standards
adopted by US Health and Human Services (HHS)
An OSEHRA role is to
encourage standards
and requirements for
robust, interoperable
EHR products for
improved clinical
outcomes
• Where standards or guidelines do not exist, projects must
support longer-term interoperability and congruence of
solutions
ESP SDK
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114
Principles for Establishing ESP Enabled System Standards
• The HL7 has created Principles for Establishing EHR interoperability
• Standards to provide guidance in the adoption of standards-based solutions
• As the ESP SDK evolves, there are many assumptions made that, once implemented in
the architecture, can no longer be considered assumptions anymore: they are now
principles about the function of EHR IS Infostructures and EHR IS Solutions that need
to guide detailed design and development of solutions and Business-driven Adoption of
existing standards where ever possible
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Principles for Establishing EHR IS Standards
• Standards initiatives to be driven by the business of healthcare with a
clearly defined business need
• Existing standards work must be leveraged wherever possible and
practical with an approach that includes adoption, or adaptation of
existing standards, before development
• Health Level 7 V3 messaging standard required for all new message
development related to EHR
• Investments predicated on a commitment to implement
national EHR Services standards
• Standards to be established, tested, refined and evaluated within the
context of early adopter implementations
• We should support early adopter investment projects that have the
establishment of National standards as their goal
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Official DoD-VA Principles
ESP SDK
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116
Principles for Establishing EHR IS Standards
• Establishing standards is an evolutionary process and will not be
perfect the first time; implementation of standards that are not fully
balloted may be needed
• OSEHRA program is committed to supporting influencing EHR
national and international standards
• OSEHRA program and its stakeholders will work with other
organizations undertaking similar EHR initiatives to leverage their
work and bring synergies to the projects as they move toward balloted
standards
• OSEHRA program and its stakeholders will partner with HL7, IHE,
OASIS, IHTSDO and other standards organizations in the
establishment of EHR IS standards
• Establishment of EHR IS related standards is coordinated via an
open, transparent and inclusive Stakeholder Collaboration Process
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Appropriate Principles
ESP SDK
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117
Standards Collaboration Process (SCP)
•
National EHR Standards Advisory Committee
REGIONAL
DEVELOPMENT
Telehealth
Lab
Interoperable
EHR
Diagnostic Imaging
Drugs
Registries
Infostructure/EHR
The EHR Standards Collaboration
Process will establish standards for
investments through collaboration
and consensus
EHR Standards Steering Committee
Expert Working Groups
•
The EHR Standards
Collaboration Process includes
those Organizations, standardsrelated organizations, healthcare
professionals and vendors that
will build, operate and use an
integrated EHR Services Platform
(ESP)
GOVERNANCE
STRATEGIC COLLABORATION/COORDINATION
•
An integral element of and key
requirement for the establishment
of an interoperable Electronic
Health Record (EHR)
Infostructure
National Standards working groups
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118
EHR IS Standards: Status
Needed Standards
Groups
•
•
•
•
•
•
•
Drugs
Client Registry
Provider Registry
DI/Tele-radiology
Laboratory
Clinical Terminology
EHR Technical Standards
(coming soon)
• EHR Clinical Standards
(coming soon)
• Public Health (coming soon)
Suggested Projects
Health Surveillance
Telehealth
Lab
Diagnostic Imaging
Drugs
Registries
integrated EHR
•
•
•
•
•
•
•
•
•
•
•
•
•
ESP SDK
EHR Data Definition & Standards
Standards Collaboration Process
Standards Tactical Plan
Artefacts Repository
Telehealth ISO Interoperability
Telehealth CCHSA Accreditation
Client Registry
Provider Registry
Laboratory Nomenclature & Messaging
NeCST: electronic claims messaging
EHR Clinical Terminology Integration
EHR Profiles for Interoperability
between DI, Registries & Consumers
• EHR-EHR IS Evolution Project
• Privacy & Security Architecture Project
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Current Status
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119
EHR IS Infostructure: Standards-based Connectivity
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
EHR Data
& Services
Data
Warehouse
EAI IP
Registries Data
& Services
EAI IP
Architecture Standards
EAI IP
Data Messaging Standards
EAI IP
EAI IP
• Client Registry
EAI IP
• ESP Blueprint
EAI IP
EAI IP
EAI IP
• HL7 Provider Registry
• FHIM/EHR Data Model
• HL7 Pharmacy
• EHR IS Services Model
• Laboratory
• EHR Interoperability Profiles
• Public Health Services Standards
EAI IP
• Terminology
Standards
EAI IP Health Surveillance Standards
• Public
EAI IP
• EHR Use Cases
EAI IP
EHR
• IS
Terminology implemented in data
messaging standards
EHR SCP
Standards
EHR IP
EHR IP Standards
EHR IP
POINT OF SERVICE
ESP SDK
Public Health
Provider
EHR IP
• Diagnostic Imaging/Teleradiology (in planning)
EHR IP
EHR IP Standards
EHR IP
EHR IP Standards
IP Standards
EHR IP Standards
• Technical
Standards EHR
(DODAF
StdV-1:
EHR IP
IP
EHR IP
Standards
ProfileEHR
aka
DoD-VA shared
Standards Profile)
EHR IP Standards
EHR IP
Pharmacist
• Clinical
EHR IP Messaging
EHR(in
IP planning)
EHR IP
Radiologist
Lab Clinician
Physician/
Provider
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Physician/
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EHR IP
EHR IP Standards
EHR IP
Physician/
Provider
120
Service-oriented
Architecture (SOA):
What Does It Mean?
ESP SDK
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121
Level of Encapsulation Can Vary:
Five Normal Forms of Encapsulated Software
1
2
3
4
5
External access
Other data
Own data
Encapsulated software
Programmatic interface
Overloaded,
incomplete; any data
One complete
function; any data
Own data only
Exclusive data
Opaque data
Source: Gartner
ESP SDK
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122
SOA as an Enabler
Applications of SOA in EHRi Solutions
• Repurposed legacy applications to offer services as part of
SOA-based EHR Infostructure
• New breed of services to enable coordinated transactions in an EHR
Infostructure (e.g. Information Access & Longitudinal Record
Services (LRS))
• Use of commercially available solutions to enable components of
EHR Infostructure
Two Degrees of Separation
• Services exposed outside of an EHRi in the form of supported EHR
Interoperability Profiles for an entire Infostructure perceived as a
single system with transactional services
• Services within an EHR Infostructure to optimize scalability,
maintainability and functional flexibility
ESP SDK
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123
First Degree: The EHR Service
ORGANIZATIONAL INFOSTRUCTURE
ClientGet Client ID
RegistryResolution
Get Outbreak
Case Data
PHS
Reporting
Outbreak
Management
Provider
Registry
Location
Registry
EHR SERVICE
Population Health Data
& Services
Registries Data
& Services
List CD Report
Events
Shared
Health Record
Business
Rules
EHR
Index
List Service
Terminology
Registry Delivery
Locations
Data
Warehouse
Get DI Report
List DI Results
Diagnostic
Imaging
Drug
Information
Message
Structures
Health
Information
Laboratory
List Laboratory
Results
List Encounter
Events
Get Provider
Information
EHR Data
& Services
Stream DI Image
Normalization
Rules
List Laboratory Orders
Get
Laboratory
Result
Information Access & Longitudinal Record
Services
(LRS)
List Medications
Get Encounter
Summary
Security
Get Clinical
Dashboard
Privacy Data
Configuration
Get Client
Get Prescription
DemographicInformation and Common Services
EHR IS
Secure Communications Bus
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
Radiology
Center
PACS/RIS
Pharmacy
System
Pharmacist
Radiologist
Lab System
(LIS)
Lab Clinician
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Physician/
Provider
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Physician/
Provider
EHR Viewer
Physician/
Provider
124
Second Degree: Inside The EHR Infostructure
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
CR
Services
Client
Registry
PR
Provider
Services
Registry
LR
Location
Services
Registry
Terminology
Terminology
Registry
Services
Population Health Data
& Services
Detection
Outbreak
& Reporting
Services
Services
Outbreak
PHS
Management
Business
Rules
Rules
Services
A&A
Services
EHR IS
Reporting
EHRi SERVICES
Shared Health
Record Services
Shared
Health Record
EHR Data
& Services
Drug
Services
Drug
Information
DI
Services
Diagnostic
Imaging
EHR
Message
Normalization
EHR Index
Index
Structures
Rules
Orchestration
Services
Services
Information Access & Longitudinal Record Services
(LRS)
Normalization
Services
Brokering
Services
Consent
Services
Session
Services
Data
Warehouse
Lab
Services
Health
Information
Laboratory
Assembly
Services
Security Mgmt
Privacy Data
Logging
Data
Services
Configuration
Information and Common Services
Secure Communications Bus
EHR IP
Any
Point-of-Service
Application
POINT OF SERVICE
ESP SDK
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125
Functioning Principles
ESP SDK
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126
Functioning Principles/Rules
• Home/no-home EHR
• Level of parameterization
• EHRi Identifier Management
• Primary Purpose for EHRi repositories
• EHR Index
• Other uses of the EHR IS (POS to POS)
• ESP Locator
• Multilingual capabilities
• POS to EHRi interface
• Runtime environment
• Level of transparency of EHR to
POS applications
• Performance principles – targets
• Transaction scope
• Error Handling
• Trust Models valid for an EHRi
• Consent
• EHR IS normalization of
information/terminology
• Authentication & Authorization
• Auditing, logging, use of logs
• HL7 V3 (Messaging and templates)
ESP SDK
• POS Integration environment
• OIDS as a principle
• Prospective Events
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127
Architecture Perspectives
Business
Architecture
Clinical
Work Process
Architecture
Potential
Applications
CONTEXT
Integration &
Deployment
Models
System
Architecture
Information
Architecture
ESP SDK
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128
EHRi Conceptual Data Model
Governance
• High-level model representing
generalized concepts
• Encounter Management,
• Care Plan Service,
Role
Event Linkage
• Health Concern Tracking
• Analytics
• Event driven model to represent instances of
clinical service impacting a patient record
• Broad range of event typing – governance,
people playing roles, delivery, environment,
resource
Event
People
Place
• Derived from the Federal Health Information
Model (FHIM)
• Detailed Clinical Models (DCLs)
Capability
• Aligned and mapped to HL7 V3 RIM
• Mapped against several local and
international EHR data models
• More detailed views available – transactional
views, domain views
ESP SDK
Resource
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Environment
129
Components of Computable Data
Terminology
Model









• An Terminology is a formal representation of healthcare knowledge as a set of concepts , called
terms, and the relationships between those terms.
• An information model is a representation of concepts, relationships, constraints, rules, and
operations to specify data semantics for healthcare.
Concepts
Concept relationships
Concept definitions
Terms
Hierarchies
Clinical propositions
Standard terminologies
Mappings
Not patient specific
Information
Model







Structural layout
Clinical definition
Hierarchical in nature
Contains fields for discrete values
Fields tied to dictionary
Defines “valid data”
Not patient specific
 Instances of data using
model and dictionary
 Event based
 Constrained by model
 Patient specific
Repository
130
ESP SDK
WORKING DRAFT RFI: not for official use.
See notes page
Key Terms and Concepts …
Terminology
The approach to common terminology is for both agencies to use SNOMED +
Extensions = Lingua Franca for semantically interoperable Terminology. The
EHR Services Platform will incorporate the EHR IS Information and
terminology models as the logical data models for our shared (virtual)
repositories; thereby, improving semantic interoperability and performance.
131
ESP SDK
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See notes page
131
Use Case Example: Patient is Admitted with “Cold” Symptoms
As-Is = Different Points of Entry Can Have Different Interpretations of “Cold”
As-Is…
MHS
Private Health Sector
VA
To Be…
& Other
Cold
GUI
GUI
GUI
SERVICES
SERVICES
SERVICES
cold
C.O.L.D.
Cold =
cold =
C.O.L.D. =
EHR IS =
Patient is diagnosed
with the Common
Cold
Patient is diagnosed as
psychologically unfeeling
and distant
Patient is diagnosed with
Chronic Obstructive Lung
Disease
The right diagnosis based
on the right data applied in
the right context
The EHR IS reduces redundancies, leverages agency resources, provides contextual information, and
ensures data integrity across DoD and VA applications, directly improving continuity of care
132
ESP SDK
WORKING DRAFT RFI: not for official use.
132
132
HDD and SNOMED-CT mapping work - Mapping Example (not actual codes)
HDD
NCID
SNOMED-CT
443
<Substance>
<acetylsalicylic
acid (ASA) ID:
123455>
812
123
RxNORM
MEDCIN
CPT
CHCS 1
VistA 1
<Orderable drug
Brand Name ID>
<Aspirin: 82464>
2214
N/A
ASP
A112
<Condition:
diagnosis><Cold>
N/A
9923
123
Cld
CD8
<Procedure Test
Result Name:>
< Red Blood
Count>
N/A
1324
98231
RBC
RBC
DoD specific
term
VA term
923
133
ESP SDK
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See notes page
133
EHR IS Services
•
Services Provided by EHR IS
Translation – syntactic and semantic data harmonization using standard information models and
SNOMED CT and extensions as the EHR IS conical terminology and ESP data stores’ native
terminology.
•
Syntactic field mapping and conformance
•
Semantic terminology mediation and value normalization
•
Mediation - a mediation service can handle the transformation from one information-exchange payloadformat and transport to another.
•
Built-In-Test-Environment (BITE) - for run-time information-exchange integrity-checking.
•
Common Terminology Services 2 (CTS2) - CTS 2 terminology services
•
Metadata Service – provides information schemas and terminology bindings
Services Used by EHR IS
• Identification – Who are you looking for?
• Authentication – Who are you?
• Authorization –What are you allowed to know or do?
• Secure Data Transport - Standards-based information exchanges.
• RLUS - Retrieve, Locate, Update Service
• Rules Engine – – A business rule service enables policies and other operational decisions to be defined,
tested, executed and maintained separately from application code.
134
ESP SDK
WORKING DRAFT RFI: not for official use.
134
Architecture Perspectives
Business
Architecture
Clinical
Work Process
Architecture
Potential
Applications
CONTEXT
Integration &
Deployment
Models
System
Architecture
Information
Architecture
ESP SDK
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135
EHR IS Integration
Layer: Evolutionary Path
ESP SDK
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136
Interim State: No EHR Services (Undesirable)
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Drug
Information
System
Repository
CR API
Client
Registry
EHR Data
& Services
CR API
HL7 (CR)
Search/Resolve
DR API
HL7 v3 (Rx)
Client Registration
1) Search client
2) Create new client
3) Update existing client
PATIENT ENCOUNTER
Client Registration
1) Search client
2) Create new client
3) Update existing client
Pharmacy Profile
4) Request drug profile
5) Request DUR
6) Enter new prescription
CR API
Each Organization Infostructure
level system uses patient and other
required strong identifiers (e.g.
provider, encounter) based on
point-of-service generated IDs
(e.g. MRNs). The CR-EMPI source
systems make the CR-EMPI aware
of client identifiers. The Point-ofService applications and
Infostructure systems query the
CR EMPI for these identifiers in
order to access data within any
Infostructure System. The level of
queries and maintenance of MRNs
in the EMPI is not scalable to
hundreds or thousands of Point-ofService systems. There are
performance issues accessing
CR/EMPI for every Drug system
interaction.
Pharmacy Profile
4) Request drug profile
5) Request DUR
6) Enter new prescription
HL7 v3 (Rx)
DR API
CR API
Pharmacy
System
EHR Viewer
DR API
HL7 (CR)
Pharmacist
Physician
POINT OF SERVICE
ESP SDK
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137
Interim State: EHR IS Without LRS
The Client Registry system
“determines” a global unique ID
(EHR ID) for patients. The Drug
Informaton System (DIS) will
use the EHR patient ID to store
prescribing and dispensing data.
Point-of-Service applications
query the Client Registry and
obtain the EHR patient ID and
will use this ID as a token
throughout the entire business
transaction. This model
eliminates the need for
communication between the
DIS and CR and reduces the
transactions to the CR to one
per business transaction.
ORGANIZATIONAL INFOSTRUCTURE
EAI IP
Client
Registry
Client Registration
1) Search client
2) Create new client
3) Update existing client
Get EHR ID
HL7
(CR)
HL7 v3 (Rx)
Drug
Information
System
Repository
Pharmacy Profile
4) Request drug profile
5) Request DUR
6) Enter new Prescription
EAI IP
Determine
EHR Client ID
EHR Data
& Services
Search/
Resolve
EAI IP
Registries Data
& Services
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
EHR IS
HL7
Pharmacy
System
HL7
EHR IP
PATIENT ENCOUNTER
Client Registration
1) Search client
2) Create new client
3) Update existing client
EHR IP
Secure Communications Bus
EHR Viewer
Pharmacy Profile
4) Request drug profile
5) Request DUR
6) Enter new prescription
Pharmacist
Physician
POINT OF SERVICE
ESP SDK
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138
Interim State: EHR IS Without LRS
ORGANIZATIONAL INFOSTRUCTURE
Client Registration
1) Search client
2) Create new client
3) Update existing client
Search/Resolve
Get EHR ID
HL7
(CR)
Data Access
Information Access & LRS
Business Components
Determine
EHR Client ID
CR API
The Client Registry determines
a global unique ID (EHR ID) for
patients. The DIS will use the
EHR patient ID to store
prescribing and dispensing
data. EHR services will use the
CR to map any local MRN found
within transactions to the
corresponding EHR client ID.
The POS applications do not
necessarily have to be aware of
the EHR client ID or they can
continue to provide this ID
themselves after querying the
CR (compatible with prior
model).
EHR Data & Services
DR API
EHR
Index
HL7 v3 (Rx)
EAI IP
Client
Registry
EAI IP
Registries Data
& Services
Drug
Information
System
Repository
Pharmacy Profile
4) Request drug profile
5) Request DUR
6) Enter new Prescription
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration\
Rules/Data
Information and Common Services
EHR IS
HL7
Pharmacy
System
HL7
EHR IP
PATIENT ENCOUNTER
Client Registration
1) Search client
2) Create new client
3) Update existing client
EHR IP
Secure Communications Bus
EHR Viewer
Pharmacy Profile
4) Request drug profile
5) Request DUR
6) Enter new prescription
Pharmacist
Physician
POINT OF SERVICE
ESP SDK
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139
Target State: Full Featured EHR IS Infostructure
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
Registries Data
& Services
Client
Registry
Outbreak
Management
PHS
Reporting
The client, provider, location
registries and EHR Services
Data
determine (respond with)
Warehouse
global unique ids for patient,
providers, encounters and other
required strong identifiers.
Health All
Laboratory
Infostructure systems
use these
Information
unique IDs to store clinical data
about a person. The EHR
Services will map any local ID
to the corresponding EHR ID.
The Domain services (DIS,
DI, Lab) systems rely on the
EHR Services to ensure that
the necessary EHR IDs are
provided with every transaction.
EHR Data
& Services
Shared
Health Record
Drug
Information
Diagnostic
Imaging
Provider
Registry
Location
Registry
Business
Rules
EHR
Index
Terminology
Registry
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
Radiology
Center
PACS/RIS
Pharmacy
System
Pharmacist
Radiologist
Lab System
(LIS)
Lab Clinician
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Physician/
Provider
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Physician/
Provider
EHR Viewer
Physician/
Provider
140
ESP Infostructure:
Deployment Models
ESP SDK
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141
Client
Registry
Provider
Registry
Laboratory
Repository
REGION 1
DI
Repository
Drug
Repository
Larger size Organizations
• Organizational or regional Client
and Provider and Location
Registries
REGION 2
Shared
Health Record
DI
Repository
Information Access & Longitudinal Record Services (LRS)
• Organizational or regional Lab,
Drug Repositories and EHR IS
Shared
Health Record
• Supra-regional LRS, Shared Health
Record and DI Repositories and
EHR Viewer
Information Access & Longitudinal Record Services (LRS)
Information and Common Services
EHR IS
• ESP Locator across organizations
or regions
Secure Communications Bus
EHR
Viewer
EMR
Medium size Organizations
• Organizational or regional Client and
Provider and Location Registries
• Organizational or regional Lab, Drug,
Diagnostic Imaging (DI), Shared Health
Record, LRS, EHR IS and EHR Viewer
CIS
REGIONAL/
ORGANIZATIONAL
CIS
• ESP Locator across Organizational or
regional
• Local EMR, CIS and other applications
ESP SDK
EHR
Viewer
Client
Registry
EMR
• Local EMR, CIS and other
applications
Provider
Registry
Laboratory
Repository
Shared
Health Record
Drug
Repository
DI
Repository
Information Access & Longitudinal Record Services (LRS)
Information and Common Services
EHR IS
Secure Communications Bus
LOCAL
LOCAL/REGIONAL
REGIONAL/
ORGANIZATIONAL
Large & Medium Deployment Models
CIS
EHR
Viewer
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EMR
142
Small Organizations
REGIONAL
Client
Registry
Provider
Registry
Diagnostic
Imaging (DI)
Repository
Shared
Health Record
Drug/Lab
Information Access & Longitudinal Record Services (LRS)
Information and Common Services
EHR IS
Secure Communications Bus
LOCAL
CIS
EHR Viewer
EMR
•
Regional Client, Provider & Location Registry
•
integrated hospital CIS solution fulfilling the roles of the Regional EHR Services, Laboratory and Drug services
•
Regional Diagnostic Imaging (DI) Service
•
Regional EHR IS & EHR Viewer
•
Local physician office systems & other CIS connect as POS Systems
ESP SDK
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143
Model 1: Single EHR Infostructure
REGIONAL
Registry & Data Services
Client
registry
Provider
Registry
EHR Data & Services
Location
registry
Terminology
Registry
Drug
Information
EHR Data & Services
Shared
Health Record
Business
Rules
EHR
Index
Message
Structures
Diagnostic
Imaging (DI)
Laboratory
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
Radiology
Center
PACS/RIS
Pharmacy
System
Pharmacist
Radiologist
Lab System
(LIS)
Lab Clinician
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Physician/
Provider
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Physician/
Provider
EHR Viewer
Physician/
Provider
144
Model 2: Shared EHR Infostructure
REGIONAL
Registry & Data Services
Client
registry
Provider
Registry
Location
registry
REGIONAL
EHR Data & Services
Terminology
Registry
Drug
Information
REGION 1
Shared
Health Record
Business
Rules
Diagnostic
Imaging (DI)
EHR
Index
…
REGION 2
Shared
Health Record
Laboratory
Message
Structures
Normalization
Rules
Business
Rules
Information Access & Longitudinal Record Services (LRS)
Diagnostic
Imaging (DI)
EHR
Index
Shared
Health Record
Laboratory
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Rules/Data
Privacy
Rules/Data
Configuration
Rules/Data
Information and Common Services
EHR IS
Secure Communications Bus
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
Radiology
Center
PACS/RIS
Pharmacy
System
Pharmacist
Radiologist
Lab System
(LIS)
Lab Clinician
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Physician/
Provider
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Physician/
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EHR Viewer
Physician/
Provider
145
Model 3: Distributed EHR Infostructures
REGIONAL
Registry & Data Services
Client
registry
Provider
Registry
REGIONAL
Location
registry
EHR Data & Services
Terminology
Registry
Drug
Information
REGIONAL
EHR Data & Services
POINT OF
SERVICE
REGIONAL
EHR Data & Services
POINT OF
SERVICE
Region 1
EHR Data & Services
POINT OF
SERVICE
Region 2
Region X
Least leverage
No
solution
Most leverage
Different
specification
Different
standards
Specification
& standards
Data
model
Business
process
Business
rules
User
Interface
Same
solution
Use shared
service
Reuse drives down cost, accelerates timelines, reduces risk and enables interoperability
ESP SDK
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146
Regional/Organizational Deployment Decisions
Business choices?
• Who, where, when, what
EHR Data & Services
• Clinical value
• Adoption Drug
REGIONAL
Registry & Data Services
Client
registry
Provider
Registry
Location
registry
Terminology
Registry
Information
Solution development choices?
• Services/functions
• Data persistence
EHR Data & Services
Shared
Health Record
Business
Rules
EHR
Index
Message
Structures
Diagnostic
•
Imaging
Laboratory standards
Communication
• Data standards
• Integration tooling
Normalization
Rules/Data
Evolution plan?
• What
Information Access & Longitudinal Record Services (LRS)
functionality when
• EHR Service evolution path
Privacy
Configuration choices?
Deployment
configuration
Security Mgmt
Data
Information and Common Services
EHR IS
Secure Communications Bus
Public Health
Services
POINT OF SERVICE
ESP SDK
Public Health
Provider
Radiology
Center
PACS/RIS
Pharmacy
System
Pharmacist
Radiologist
Lab System
(LIS)
Lab Clinician
Rules/Data
Rules/Data
• State vs regional
• Single Solution/many deployments
• Multiple solutions
Hospital, LTC,
CCC, EPR
Physician
Office EMR
Physician/
Provider
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Physician/
Provider
EHR Viewer
Physician/
Provider
147
Architecture Perspectives
Business
Architecture
Clinical
Work Process
Architecture
Potential
Applications
CONTEXT
Integration &
Deployment
Models
System
Architecture
Information
Architecture
ESP SDK
WORKING DRAFT RFI: not for official use
148
EHR Infostructure Deployment
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
Registries Data
& Services
Client
Registry
Outbreak
Management
EHR Data
& Services
PHS
Reporting
Shared
Health Record
Drug
Information
Data
Warehouse
Diagnostic
Imaging
Health
Information
Laboratory
Provider
Registry
Location
Registry
Business
Rules
Terminology
Registry
EHR
Index
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Data
Privacy Data
Configuration
Information and Common Services
EHR IS
Secure Communications Bus
•
Strategic planning
•
Testing (compliance)
•
Change management
•
System implementation
•
System development/integration
•
Education & training
•
EHR SCP message development
•
Operation & maintenance
ESP SDK
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149
ESP Data: Value Enabler For Existing Applications
EHR Infostructure (EHRi)
EHR IS ENABLED SYSTEM
SOLUTION
EHR INFOSTRUCTURE (EHRi)
Population
Health
Data &
Services
Health
Information
Data
Warehouse
EHR
Data &
Services
Registries
Data &
Services
EHR IS
EHR SCP
Standards
EHR SCP
Standards
ADT
CDR
EHR SCP
Standards
PMS
Rx
Lab
Client data
Provider data
Location data
Privacy data
Security data
Encounter data
Blood/allergy/
immunization data
• Encounter summaries
• Clinical notes
• Observations/
problems/conditions
• Orders/Results data
• Referrals data
• Lab data
• Pharmacy data
• Diagnostic Imaging
data
EHR SCP
Standards
EHR SCP
Standards
Chronic Disease Health Education
Health Prevention
Custom projects
Data Mining
DI
Data loading
Data feeds
Enhanced
presentation
Enhanced
presentation
Initial data load/
data feeds/integration
of systems
Hospitals/private clinics/
emergency/homecare/specialty
centers/LT care
Laboratories/pharmacy /
diagnostics
ESP SDK
•
•
•
•
•
•
•
WORKING DRAFT RFI: not for official use.
Self-care
Research/surveillance
See notes page
150
End-User Perspective: EHR Viewer
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Client
Registry
Population Health Data
& Services
Outbreak
Management
PHS
Reporting
EHR Data
& Services
Shared
Health Record
Drug
Information
Data
Warehouse
Diagnostic
Imaging
Health
Information
Laboratory
Provider
Registry
Location
Registry
Terminology
Registry
Business
Rules
EHR
Index
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Data
EHR IS
Privacy Data
Configuration
Information and Common Services
Secure Communications Bus
Patient
Info
End-user
Info
Visit
History
Drug
Profile
Laboratory
Diagnostic
Imaging
POINT OF SERVICE
EHR Viewer
Physician/
Provider
EHR VIEWER
ESP SDK
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151
End-User Perspective: EMR Application
ORGANIZATIONAL INFOSTRUCTURE
Registries Data
& Services
Client
Registry
Population Health Data
& Services
Outbreak
Management
PHS
Reporting
EHR Data
& Services
Shared
Health Record
Drug
Information
Data
Warehouse
Diagnostic
Imaging
Health
Information
Laboratory
Provider
Registry
Location
Registry
Terminology
Registry
Business
Rules
EHR
Index
Message
Structures
Normalization
Rules
Information Access & Longitudinal Record Services (LRS)
Security Mgmt
Data
EHR IS
Privacy Data
Configuration
Information and Common Services
Secure Communications Bus
EMR
Database
Patient
Info
End-user
Info
Patient
History
Drug
Profile
Laboratory
Diagnostic
Imaging
POINT OF SERVICE
Physician
Office EMR
Physician/
Provider
EMR APPLICATION
ESP SDK
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152
ESP Data: Enables New Classes of Applications
EHR Infostructure (EHRi)
•
•
•
•
•
•
•
Client data
Provider data
Location data
Privacy data
Security data
Encounter data
Blood/allergy/
immunization data
• Encounter summaries
EHR IS ENABLED SYSTEM
SOLUTION
EHR INFOSTRUCTURE (EHRi)
Population
Health
Data &
Services
EHR Information Services (EHR IS)
Health
Information
Data
Warehouse
EHR SCP
Standards
?
?
Decision support
The Helper
The Mentor
EHR
Data &
Services
Registries
Data &
Services
EHR SCP
Standards
?
?
?
Automated workflow
Drug interactions
Abnormal results
EHR SCP
Standards
?
?
?
New applications
Patient monitoring
• Clinical notes
• Observations/
problems/conditions
• Orders/Results data
• Referrals data
• Lab data
• Pharmacy data
• Diagnostic Imaging
data
EHR SCP
Standards
?
Custom projects
Data mining
Patients
ESP SDK
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153
Deployment Configurations:
Hybrid Open Source and
COTS-based Solutions
ESP SDK
WORKING DRAFT RFI: not for official use
154
COTS: CIS with Integrated Viewer
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
EAI IP
Provider
Registry
EAI IP
Location
Registry
EHR Data
& Services
PHS
Reporting
Services
Outbreak
Services
Drug
Information
System
Diagnostic
Imaging
EAI IP
EAI IP
CLINICAL INFORMATION SYSTEM
EAI IP
Client
Registry
EAI IP
Registries Data
& Services
Shared
Health Record
EAI
Terminology
Registry
Consent Management
Authentication/Acess Control
Auditing/Logging
IP is Interoperability Profile
EAI is Enterprise Application Integration
Interoperability
General
Integration
Subscription
Context
Management
Laboratory
Laboratory Shared Health Record
Longitudinal Record Services (LTS)
Secure Communications Bus
EHR Viewer Server
EHR IP Transactions: Get, Put, List; National and
International EHR Standards
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
Public Health
Services
Pharmacy
System
Radiology
Center
PACS/RIS
Lab System
(LIS)
Hospital, LTC,
CCC, EPR
Physician
Office EMR
EHR Viewer
Client
POINT OF SERVICE
ESP SDK
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155
COTS: Clinical Information System (CIS) with External Viewer
ORGANIZATIONAL INFOSTRUCTURE
Population Health Data
& Services
EAI IP
Provider
Registry
EAI IP
Location
Registry
EHR Data
& Services
PHS
Reporting
Services
Outbreak
Services
Drug
Information
System
Diagnostic
Imaging
EAI IP
EAI IP
CLINICAL INFORMATION SYSTEM
EAI IP
Client
Registry
EAI IP
Registries Data
& Services
EAI
Terminology
Registry
Consent Management
Authentication/Acess Control
Auditing/Logging
IP is Interoperability Profile
EAI is Enterprise Application Integration
Interoperability
General
Integration
Subscription
Context
Management
Shared
Health Record
Laboratory
Laboratory Shared Health Record
Longitudinal Record Services (LTS)
Secure Communications Bus
EHR IP Transactions: Get, Put, List; National and
International EHR Standards
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
Public Health
Services
Pharmacy
System
Radiology
Center
PACS/RIS
Lab System
(LIS)
Hospital, LTC,
CCC, EPR
Physician
Office EMR
EHR Viewer
Client
POINT OF SERVICE
ESP SDK
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156
COTS Based: Enterprise Application Centric (EAI) Centric
ORGANIZATIONAL INFOSTRUCTURE
EAI IP
Provider
Registry
EAI IP
EAI IP
Location
Registry
Outbreak
Services
PHS
Reporting
Services
CIS:
Shared Health
Record &
Laboratory
Drug
Information
System
Diagnostic
Imaging
EAI IP
EAI IP
EAI IP
EAI IP
Client
Registry
EHR Data
& Services
Population Health Data
& Services
Registries Data
& Services
EAI
Terminology
Registry
Consent Management
Authentication/Acess Control
Auditing/Logging
IP is Interoperability Profile
EAI is Enterprise Application Integration
Interoperability
General
Integration
Subscription
Context
Management
Secure Communications Bus
Enterprise Application Integration (EAI)
is the unrestricted sharing of data and
business processes throughout the
networked applications or data sources
in an organization.
EHR IP Transactions: Get, Put, List; National and
International EHR Standards
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
EHR IP
Public Health
Services
Pharmacy
System
Radiology
Center
PACS/RIS
Lab System
(LIS)
Hospital, LTC,
CCC, EPR
Physician
Office EMR
EHR Viewer
Client
POINT OF SERVICE
ESP SDK
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157
157
157
ESP SDK: In Summary
ESP SDK
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158
EHR IS As Design Pattern & Standard
Provides specifications for provider
organizations & the vendor community
to design and develop:
•
EHR infostructure
•
Interfaces to allow existing systems to
interoperate using EHR infostructure
•
New applications that take advantage of the
EHR infostructure to provide added value to
service providers, patients; to promote
wellness
• Provides design pattern & set of
standardized specifications that:
•
Provide flexibility to meet the variety found in
existing service delivery settings while
providing an ability for Organizations to evolve
their solution set, leveraging their current
investments in systems
•
Allowing the managed addition of contributors
to and users of Electronic Health Records
ESP SDK
WORKING DRAFT RFI: not for official use
159
From Concept to Implementation
interoperable ESP SDK
provides the Blueprint for
transition to working
interoperability through:
• partnering with Organizations
ready to build interoperability
between existing systems
• Organizations ready to incorporate
their registries and domain
repositories
The second vehicle for
testing and refining the
Blueprint specifications is
adoption by the vendor
community and acquisitions
of “interoperable ready”
applications
• Major vendors have
incorporated the EHR IS
architectural approach into
their product strategies
This process will be the
test-bed for the EHR IS
specifications
• Elements of the EHR IS Blueprint
specifications will be updated by
these project teams as the concepts
are tested and refined
• Implementation guidelines will be
produced to assist others in
implementing these capabilities
• The EHR IS can provide the
framework for Organizations to
evaluate vendor provided
solutions and ensure they will
work with their evolving EHR
IS infostructures
CONCEPT
ESP SDK
IMPLEMENTATION
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160
Maintaining the EHR IS as a
National / International Standard
• It is critically important to have a stable, managed
specification for interoperability
•
Organizations and provider organizations need to be
confident that their commitment to implementing EHR
infostructure is based on a sound specification that will
be maintained and managed
•
Implementations of the infostructure will reveal where
the specification needs to be adjusted to optimize
performance and ensure reliability
• For this reason, the EHR IS specifications will be
subject to the Standards Collaboration Process
ESP SDK
•
Ensuring broad participation in requirements definition
•
Providing foreknowledge of the financial and change
management requirements to all affected groups
and organizations
•
Providing a scope and change-management model for
the EHR IS specifications themselves
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161
The EHR IS Architecture In Summary: EHR Repository
Concepts
Benefits
• Patient’s data is stored and accessed
from one logical EHR
• Interoperability, performance, scalability
• Patient’s longitudinal clinically relevant
information, authoritative & reliable
• Provider adoption, supports use cases
across continuum of care, timely and
accurate for provider
• EHR IS co-exists with legacy
domain repositories
• Preserves investments, does not
unnecessarily duplicate data
• EHR IS may be implemented at any
organizational level
• Flexibility, configurable to local & regional
needs
• EHR IS has a common definition
• Cost effective, standards-based,
Interoperability
ESP SDK
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162
The Architecture In Summary: EHR IS
Concepts
Benefits
• EHR IS (EHR Information Services (EHR
IS)) provides common way to interoperate
with EHRs, registries, domain repositories
• Common and standards based is most cost
effective, secure & private; applications
focus on clinical logic vs. integration logic
• Provider applications interoperate through
EHR IS to access HER, providing semantic
interoperability
• Cost effective environment for broad set of
provider applications, standards based
integration
• EHR IS provides peer-to-peer trusted
communication and value-added
Information and Common Services to
enable interoperability across the
continuum of care and across
Organizations
• Secure & private, efficient, scalable, cost
effective and standard runtime environment,
responsive
ESP SDK
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163
The Architecture In Summary: ESP
Concepts
Benefits
• Common standards will enable integration
& interoperability
• Reduces design, development, test &
operational costs
• Standard message data protocol for
external communications is HL7 V3
• True interoperability, international standard
will incent vendors
• Registries have common definition
nationally and internationally
• Interoperability, cost, security & privacy
ESP SDK
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164
The Architecture In Summary: Applications
Concepts
Benefits
• Messages initiated by point-of-care
applications populate EHR with clinical
data
• Low cost and common model of integration,
secure and private, scalable, extensible,
preserves current investments
• Provider applications read data out of
the EHR via the EHR IS in addition to
their operational data stores
• Mass customized views of data tailored to
provider needs, secure and private,
scalable, authoritative, reliable, responsive
• Use cases, business rules and
visualization of data is a function of the
point-of-care application
• Vendors compete and innovate, extensible,
value added services for providers
ESP SDK
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165
CALL FOR PARTICIPATION
Please post your comments at
http://www.osehra.org/group/architecture
You may get the most current version of this document and submit suggestions for improvement at:
http://www.osehra.org/node/47/content/documents
CALL FOR PARTICIPATION
See companion ESP SDK Implementation Guide (IG),
which is also under development. Your help is solicited.
Thank you!
ESP SDK
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166
Backup
The following slides are more technical in nature
and will be discussed in the EHR Services Platform SDK Implementation Guide
ESP SDK
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167
HL7 EHR System Functional Model (EHR-S)
(> 230 System Functions in 4 level categorization, (see attached spreadsheet for full enumeration)
Business
Choreography
System Functions
Business
Entity
(Information)
Business
Infrastructure
Entity
(Information)
Service Types
Choreography
Infrastructure
Infrastructure
Infrastructure
Business
Choreography
Other
O-1
Electronic Resource Planning (ERP)
O-2
Finances
O-3
Other
NOTE: “Other” Category - The EHR-S model does
NOT include Electronic Resource Planning (ERP) /
Logistics and Financial components, which are
needed for completeness of a military EHR.
168
ESP SDK
WORKING DRAFT RFI: not for official use.
Approach to Architectural Traceability
Core Projects
Interoperability Projects
Plan for New, Improved, Sustained or Sunset
Capabilities
Conceptual Independent Model
Platform Independent Model
Platform Specific Model
CUIs
Architectural
Business
Viewpoints
Conceptual Independent Model
Platform Independent Model
Platform Specific Model
CUIs
Inventory of Systems and their
Capabilities and Functions
CUIs
Architectural
Information
Viewpoints
System
Architecture
CUIs
CUIs
CUIs
CUIs
CUIs
Architectural
Engineering/Technical
Viewpoints
Innovation/ Prototype Projects
Conceptual Independent Model
Platform Independent Model
Platform Specific Model
Conceptual Independent Model
Platform Independent Model
Platform Specific Model
Product Line
Inventory
Conceptual Independent Model
Platform Independent Model
Platform Specific Model
Architectural
Behavioral
Viewpoints
Conceptual Independent Model
Platform Independent Model
Platform Specific Model
Key to Traceability
Traceability is achieved by using Concept Unique (numeric) Identifiers (CUIs) from the HL7 EHR System Functional Model (EHR-S FM)
as attributes to all artifacts. This is analogous to a library system, which uses Dewey decimal numbers as book identifiers.
169
ESP SDK
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Healthcare SOA Framework
Based on HL7 EHR System Functional Model & Thomas Erl’s SOA Layers
HL7 System
Functions 
Direct Care
Supportive
Information
Infrastructure
Other
Business
Process
Value Chains
Composite
Services
Federated Composition (e.g., Choreograph or Orchestration) Within and Across Business Areas
Core Business
Services
Functional
Areas + Focal Classes
Functional
Areas + Focal Classes
Functional
Areas + Focal Classes
Functional
Areas + Focal Classes
Entity
Services
Information
Management
Information
Management
Information
Management
Information
Reporting and
Management
C r o s s T e c h n I c a l “Common S e r v I c e s”
(e.g., Security, Privacy, Auditing, Logging…)
Agnostic
Services
Application
Services
Ambulatory Care
Systems,
In Patient Care Systems
Logistics Systems
Financial Systems
Decision Support Systems
Data Marts
Repositories
Business Objects
Implementation
Profiles
Integrated Healthcare
Enterprise (IHE) Profiles
Analysis Profiles
Communications
Profiles/Stacks
Implementation Profiles
170
ESP SDK
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170
EHR DATA REUSE THROUGH H-SOA-RA
ACROSS EPISODES OF CARE
Previous Episode
Of Care EHR
Current Episode
Of Care EHR
Reusable Services
IDENTITY
ESP SDK
11/7/2015
• Patient Demographics
• Provider Demographics
• Insurer Demographic
Data Must Be Verified
And Updated
Terminology
• Chronic Diagnoses
• Procedure History
Document
• Patient History
• Summary Lists
- Medication List
- Allergy/Adverse Reaction List
- Immunization
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171
ANATOMY OF AN ANCILLARY SYSTEM
LABORATORY
RADIOLOGY
PHARMACY
CARDIOLOGY
OT/PT/SPEECH
s
CORE BUSINESS SERVICES
IDENTITY
TERMINOLOGY
AUTHORIZATION
SCHEDULING
SUPPLY CHAIN
(ORDER/CHARGE)
DOCUMENT
RECORDS MANAGEMENT
DECISION SUPPORT
PERFORMANCE
DATA MANAGEMENT
ESP SDK
11/7/2015
WORKING DRAFT RFI: not for official use.
172
RECORDS MANAGEMENT
DECISION SUPPORT
PERFORMANCE
Agnostic
Services
DATA MANAGEMENT
ESP SDK
ANALYTIC
SUPPORT
IT PLATFORM
WORKING DRAFT RFI: not for official use.
INTEGRATED
REQUIREMENTS
DESIGNS:
Putting the
H-SOA-RA
Pieces Together
Federated
Business
Services
Inter-Service
Inter-Agency
Across
Providers
DOCUMENT
OUTPATIENT OTHER
SUPPLY CHAIN:
(ORDERS/CHARGES)
ER
SCHEDULING
ASU
AUTHORIZATION
CLINIC
Core Business
Services
TERMINOLOGY
INPATIENT
IDENTITY
TEST ONLY
Ancillary
Systems
Federated Services,
may be categorized by:
-- Encounter Types
-- CMS billing category
-- Record type
-- Care setting type
-- etc.
Data sets are defined for
each system functionalcapability-service module
173
Case Management
Coordination Across SOAs and the Continuum
c CARE, PROVIDERS and LOCATIONS
COORDINATION ` ACROSS LEVELS OF
Wartime
Theater
ER
Acute
Inpatient
Acute
Rehab.
Chronic
Rehab.
Skilled
Long
Term
Care
Custodial
Long
Term
Care
Home
Health
Outpatient
Prevention/
Wellness
Care Continuum
Coordination ACROSS SOAS
ASSESSMENT
CARE
PLANNING
ORDERS
&
SCHEDULING
BENEFIT
MANAGEMENT
AUTHORIZATION
&
UTILIZATION MGT.
COMMUNICATION
(FACILITATION
ADVOCACY)
DISCHARGE/
TRANSFER
PLANNING
REFERRAL
RECORD
EDUCATION.
TRANSPORT
ROLE OF CASE MANAGER
174
ESP SDK
WORKING DRAFT RFI: not for official use.
174
ADDRESSING REAL BUSINESS ISSUES THROUGH H-SO
•
•
•
•
•
•
•
Incomplete/Inaccurate Demographic Data
Incomplete/Inaccurate Insurance Information
Unauthorized Service
Diagnosis/Procedure Coding Errors
Service Delays
Incomplete and Inefficient Charge Capture
Non-indicated or Contra-indicated Services
(Identity Service)
(Authorization Service)
(Authorization Service)
(Terminology Service)
(Scheduling Service)
(Supply Chain Service)
(Decision Support/
Authorization Services)
• Delays in EHR Document Production and Provision
• Billing Delays and Errors
• Not fully coordinated Scheduling
• Lack of fully integrated Patient Assessment and Treatment Plan
• Delayed or Lack of Medical Record Access
(Document Service)
(Supply Chain/ Billing/
Collection Services)
(Scheduling Service)
(Document Service/
Decision Support Service)
(Record Service)
175
ESP SDK
WORKING DRAFT RFI: not for official use.
175
175
DoDAF 2.x Views
AV-1: Overview and Summary Information.
AV-2: Integrated Dictionary
CV-1: Vision
CV-2: Capability Taxonomy
CV-3: Capability Phasing
CV-4: Capability Dependencies
CV-5: Capability to Organizational Development Mapping
CV-6: Capability to Operational Activities Mapping
CV-7: Capability to Services Mapping
DIV-1: Conceptual Data Model
DIV-2: Logical Data Model
DIV-3: Physical Data Model
OV-1: High-Level Operational Concept Graphic
OV-2: Operational Resource Flow Description
OV-3: Operational Resource Flow Matrix
OV-4: Organizational Relationships Chart
OV-5a: Operational Activity Decomposition Tree
OV-5b: Operational Activity Model
OV-6a: Operational Rules Model
OV-6b: State Transition Description
OV-6c: Event-Trace Description
PV-1: Project Portfolio Relationships
PV-2: Project Timelines
PV-3: Project to Capability Mapping
StdV-1: Standards Profile
StdV-2:
Standards
Forecast
ESP
SDK
SV-1: Systems Interface Description
SV-2: Systems Resource Flow Description
SV-3: Systems-Systems Matrix
SV-4: Systems Functionality Description
SV-5a: Operational Activity to Systems Function Traceability Matrix
SV-5b: Operational Activity to Systems Traceability Matrix
SV-6: Systems Resource Flow Matrix
SV-7: Systems Measures Matrix
SV-8: Systems Evolution Description
SV-9: Systems Technology & Skills Forecast
SV-10a: Systems Rules Model
SV-10b: Systems State Transition Description
SV-10c: Systems Event-Trace Description
SvcV-1: Services Context Description
SvcV-2: Services Resource Flow Description
SvcV-3a: Systems-Services Matrix
SvcV-3b: Services-Services Matrix
SvcV-4: Services Functionality Description
SvcV-5: Operational Activity to Services Traceability Matrix
SvcV-6: Services Resource Flow Matrix
SvcV-7: Services Measures Matrix
SvcV-8: Services Evolution Description
SvcV-9: Services Technology & Skills Forecast
SvcV-10a: Services Rules Model
SvcV-10b: Services State Transition Description
SvcV-10c:
WORKING DRAFT
RFI: not forServices
official use. Event-Trace Description
Future-State Architecture
Software Development Kit (SDK)
Draft Specifications needed by Fall 2011 *
1.
Built-In-Test-Environment (BITE) Service Specification to support automated fault-detection
resulting from distributed ad-hoc partners & plug-and-play applications.
• Model-Driven Health-Tool defines run-time schematron test fixtures.
• Performance-Monitoring-Component Service-Specification to trace run-time execution
pathways and measure latency to support, system tuning, automated testing and
certification.
• Code-Coverage Regression-Test and Stress-Test Tool-Specification, to support
automated testing and certification of “happy path” and fault recovery pathways.
• Cross-Reference Tool-Specification to automatically map module-module and moduledata dependencies and certify no unexpected changes.
• Pretty-Printer Tool-Specification to certify software-module Standards and Conventions
(SAC) & to do syntax verification and readability reformatting.
* Must be done in collaboration with DoD-VA joint ESP initiative and open source community.
177
ESP SDK
WORKING DRAFT RFI: not for official use.
Future-State Architecture
Software Development Kit (SDK)
Draft Specifications needed by Fall 2011 *
2.
SAIF ECCF Implementation Guide (IG) for documenting component Interoperability
Specifications, which will support new development, repurposing, reimplementation,
automated testing and certification.
3.
SAIF ECCF Tool Specification to manage module Interoperability Specifications, which
will support new development, repurposing, reimplementation, automated testing and
certification.
4.
ESB Services Specification of ESP Tier 1-2 Application Virtualization-Layer of
federated standards-based services.
5.
Database Services Specification of ESP Tier 2-3 Database Virtualization-Layer of
federated standards-based services.
6.
Standards and Conventions (SAC), updated to modern SOA software engineering
practices, as defined by Thomas Erl.
* Must be done in collaboration with DoD-VA joint ESP initiative and open source community.
178
ESP SDK
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NIST 7497 Security Architecture *
Design Principles
1.
Perform Information Assurance Risk assessments of shared information;
2.
Create “master” trust agreements describing requirements for a trust
domain;
3.
Separate authentication/credential management and
authorization/privilege management;
4.
Develop data protection capabilities as plug-and-play services;
5.
Maintain a standards-based, technology-neutral, and vendor-neutral
architecture.
* NIST IR 7497, Security Architecture Design Process for Health Information Exchanges (HIEs), Sept. 2010,
available at http://csrc.nist.gov/publications/PubsNISTIRs.html
179
ESP SDK
WORKING DRAFT RFI: not for official use.
NIST 7497 Security Architecture
Enabling Services
1. Risk Assessment is a Security and Privacy Principles, which means to identify security
and privacy risks to HIE operations based on threats, assets, vulnerabilities, and likelihood
of threat success.
2. Entity Identity Assertion (Authentication) is HITSP Construct * SC110 & C19, which
ensures that an entity is the person or application that claims the identity provided.
3. Credential Management is a Security Principles, which means to manage the life cycle of
entity credentials used for authentication and authorization.
4. Access Control (Authorization) is HITSP Construct * SC108 & TP20, which ensures that
an entity can access protected resources if they are permitted to do so.
5. Privilege Management is a Security Principles, which means to manage the life cycle of an
entity’s authorization attributes (e.g., roles, permissions, rules) for making access control
decisions.
6. Collect and Communicate Audit Trail is HITSP Construct * SC109 & T15, which defines
and identifies security-relevant events and the data to be collected and communicated as
determined by policy, regulation, or risk analysis.
ESP SDK
* HITSP constructs
areRFI:
available
at www.HITSP.org
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use.
180
NIST 7497 Security Architecture
Enabling Services
7.
Document Integrity is HITSP Construct * T31, which validates that the contents of a
document have not been changed in an unauthorized or inappropriate manner.
8.
Secured Communication Channel is HITSP Construct * SC109 & SC112, which
ensures that the mechanism through which information is shared or transmitted
appropriately protects the authenticity, integrity, and confidentiality of transactions to
preserve mutual trust between communicating parties.
9.
Document Confidentiality is a Security Principles, which means to prevent the
unauthorized disclosure of a document that is exchanged or shared.
10. De-identification is a Privacy Principles, which means to remove individual identifiers
from a health record, or replace them with other information such as pseudonyms, so that
it cannot be used to identify an individual.
11. Non-Repudiation of Origin is HITSP Construct * C26, which provides the proof of the
integrity and origin of data in an unforgettable relationship which can be verified by any
party.
12. Manage Consent Directives is HITSP Construct * TP30, which ensures that individually
identifiable health information is accessed only with an individual’s consent.
ESP SDK
R
AFT
Talking
Points
* HITSPD
constructs
are available
www.HITSP.org
WORKING
DRAFT
RFI: not for at
official
use.
181
NIST 7407 Security Architecture
Web-Service Security-Standards
182
ESP SDK
WORKING DRAFT RFI: not for official use.
NIST 7497 Security Architecture
Notional Development Process
183
ESP SDK
WORKING DRAFT RFI: not for official use.