API, Hl7, Fhir, Interoperability, Nhs.
the HL7v2 segments and FHIR Resources (PID is related to Patient, TXA is related to DocumentReference). The way we have used our Bundle (as we mentioned above) has been in a similar messaging context. So we could have used HL7v2 instead but when switched TODO!! When we posted our Bundle to the EDMS