Reference
Segment mappings
Field-level mappings from the HL7 v2-to-FHIR Implementation Guide, as implemented in this converter, targeting FHIR R4. Each page is generated from the same config the mapper uses.
MSH
MSH to MessageHeader
Bundle, MessageHeader, Provenance
EVN
EVN to Provenance
Provenance
PID
PID to Patient
Patient, Account
PD1
PD1 to Patient
Patient, Observation
NK1
NK1 to RelatedPerson
RelatedPerson, Patient.contact
PV1
PV1 to Encounter
Encounter, Coverage
PV2
PV2 to Encounter
Encounter
AL1
AL1 to AllergyIntolerance
AllergyIntolerance
DG1
DG1 to Condition
Condition
IN1
IN1 to Coverage
Coverage
ORC
ORC to ServiceRequest
ServiceRequest, DiagnosticReport, Immunization
OBR
OBR to DiagnosticReport
DiagnosticReport, ServiceRequest, Specimen
OBX
OBX to Observation
Observation
SPM
SPM to Specimen
Specimen
NTE
NTE to note
Observation.note, DiagnosticReport.note
PR1
PR1 to Procedure
Procedure
PRT
PRT to PractitionerRole
PractitionerRole
RXO
RXO to MedicationRequest
MedicationRequest
RXA
RXA to Immunization
Immunization, MedicationAdministration
RXR
RXR to route
Immunization, MedicationRequest
SCH
SCH to Appointment
Appointment
RGS
RGS resource group
Appointment
AIS
AIS to Appointment
Appointment
AIL
AIL to Appointment
Appointment
AIP
AIP to Appointment
Appointment
AIG
AIG to Appointment
Appointment
TXA
TXA to DocumentReference
DocumentReference
FT1
FT1 to ChargeItem
ChargeItem
GT1
GT1 to RelatedPerson
RelatedPerson
TQ1
TQ1 to timing
ServiceRequest, MedicationRequest
MRG
MRG to prior Patient
Patient
RF1
RF1 to ServiceRequest
ServiceRequest
PRD
PRD to PractitionerRole
PractitionerRole
PRB
PRB to Condition
Condition
RXE
RXE to MedicationRequest
MedicationRequest
RXC
RXC to component
MedicationRequest, MedicationDispense
RXD
RXD to MedicationDispense
MedicationDispense
IAM
IAM to AllergyIntolerance
AllergyIntolerance
ROL
ROL to PractitionerRole
PractitionerRole
ACC
ACC to Condition
Condition
ARQ
ARQ to Appointment
Appointment
IN2
IN2 to Coverage
Coverage
MSA
MSA to OperationOutcome
OperationOutcome
QPD
QPD to Parameters
Parameters
RCP
RCP query control
Parameters