Model Imaging Order with FHIR Resoruces

Question

I'm modeling imaging order with FHIR resource, and facing structural decision how to align imaging order information model in DICOM / HL7 V2 with FHIR. In DICOM / HL7 V2, an imaging order is modeled at 3 levels: - Order ... a clinician's request for imaging service - Requested Procedure ... a (reportable and billable) imaging service radiology dept offers to fulfill a clinical imaging order - Procedure Step ... a (schedulable and performable) task which contributes to the completion of requested procedure Here is my proposal of align the DICOM / V2 model with FHIR: Order resource represents an Order DiagnosticOrder resource represents a Requested Procedure DiagnosticOrder.Item represents the Procedure Steps planned / scheduled / performed in the Requested Procedure In the course of fulfilling a clinical order, a DiagnosticOrder resource will be updated to contain increasing details. There are information gaps in these existing resources (Order and DiagnosticOrder) which can be extended. I really like to get feedback and input whether this structural mapping makes sense, or I missed / misinterpret anything of the FHIR model? Any inputs are highly appreciated ... thanks!!

Answer 1

I think that makes sense. But such a general question - that's a general answer. it might change as we start discussing which specific things the "order" is, as opposed to the requested procedure.