Transcript Standards Based DICOM FHIR Gateway

Standards Based
DICOM  FHIR Gateway
Based purely on DICOM and FHIR
• No “inside knowledge” available
Could be implemented with or without
assistance of PACS vendor
Could be a useful model in early adoption
• Mirrors what was done with DICOM, XDS etc.
Should be stateless for simplicity and scalability
PACS
DICOM
Gateway
FHIR
Client
FHIR “id” issue
FHIR “id” is based on guid (but loosely!) 1056
• a-z + 0-9 + “-”
• Max 36 characters (whether as guid or not)
DICOM Patient ID
>10154
DICOM Study UID
1066
• All characters (inc. extensions)
• Max 64 characters
• OID
• Max 64 characters
What to use as “id” for a gateway?
Native Unique identifier
• NO – does not obey formatting rules
Transformed Unique identifier
• NO – not enough unique values
Mapped Value
• NO – needs a stateful map
What else could be used?