WARNING
This guidance is under active development by NHS England and content may be added or updated on a regular basis.HL7 v2 Events and Ad Hoc FHIR RESTful Events
The mappings to FHIR are indicative and would follow FHIR Workflow Ad Hoc Communication - Option A: Simple RESTful POST or PUT
See also NHS England Interoperability Handbook - Message Broker
In HL7 v2, the message broker is normally called a Trust Integration Engine (TIE)
NHS England specifications for HL7 v2 ADT
NHS England specifications for HL7 FHIR RESTful Ad Hoc
Admission, Discharge and Transder (ADT)
| Event Code | Description | Event | Request | FHIR Resource |
|---|---|---|---|---|
| A28 | Create/Register Patient | ✓ | Patient (POST) | |
| A31 | Update Patient demographics | ✓ | Patient (PUT) | |
| A01 | Patient admitted (inpatient) | ✓ | Encounter (POST) | |
| A02 | Patient transferred (between wards) | ✓ | Encounter (POST) | |
| A03 | Patient discharged | ✓ | Encounter (POST) | |
| A04 | Patient visit (inc arrival for appointment) | ✓ | Encounter (POST) | |
| A05 | Pre Admission (inpatient) or Planned Appointment (outpatient)Encounter / | ✓ | Appointment (POST) | |
| A08 | Patient visit update | ✓ | Encounter (PUT) | |
| A11 | Cancel Admission | ✓ | Encounter (DEL) | |
| A12 | Cancel Transfer | ✓ | Encounter (DEL) | |
| A13 | Cancel Admission | ✓ | Encounter (DEL) |
Other
| Group | Event Code | Description | Event | Request | FHIR Resource |
|---|---|---|---|---|---|
| ORM/OMG/ORU/OM1 | R01 | Observation Message | ✓ | DiagnosticReport (POST) Observation (POST) Binary (POST) |
|
| ORM/OMG/ORU/OM1 | O01 | Order (diagnostic test, referral or prescription) | ✓ | ServiceRequest / MedicationRequest (POST) | |
| REF | I12 | Referral | ✓ | ServiceRequest (POST) | |
| MDM | T01 | Document Notification | ✓ | DocumentReference (POST) | |
| MDM | T02 | Document Notification and content | ✓ | Binary (POST) DocumentReference (POST) |
|
| MDM | T03 / T04 / T07 / T08 / T09 / T10 | Document Notification Update (more fine grained) | ✓ | DocumentReference (PUT) |