HL7 Version 2 to FHIR
1.0.0 - STU 1

HL7 Version 2 to FHIR - Downloaded Version 1.0.0 See the Directory of published versions

## ConceptMap: Message OML_O21 to Bundle Map (Experimental)

Official URL: http://hl7.org/fhir/uv/v2mappings/ConceptMap/message-oml-o21-to-bundle | Version: 1.0.0
Standards status: Informative | Computable Name: MessageOML_O21ToBundle
Copyright/Legal: Copyright (c) 2025, HL7 International, Inc., All Rights Reserved.

This ConceptMap represents a mapping from the HL7 V2 Message OML_O21 to the FHIR Message Bundle.

This ConceptMap represents the mapping from the HL7 V2 OML_O21 Message to the FHIR Message Bundle. See also the FHIR Shorthand or the CSV Source.

HL7 v2 | Condition (IF True, args) | HL7 FHIR | Comments
--- | --- | --- | ---
Sort Order | Identifier | Syntax | Name | Cardinality - Min | Cardinality - Max | Computable ANTLR | Computable FHIRPath | Narrative | Primary Target | Segment Map | References
1 | OML_O21.MSH | MSH | Message Header | 1 | 1 |  |  |  | Bundle | MSH[Bundle] |  |
1 | OML_O21.MSH | MSH | Message Header | 1 | 1 |  |  |  | MessageHeader | MSH[MessageHeader] |  | Processing of the MSH segment results in the creation of a new MessageHeader resource
1 | OML_O21.MSH | MSH | Message Header | 1 | 1 |  |  | If there is a source in MSH-4, or known based on the configuration. | Provenance | MSH[Provenance-Source] | Provenance[1].target.reference=Bundle.id; Provenance[1].target.reference=MessageHeader[1].id | If the FHIR transformation does not yield a FHIR message, but only a set of resource (APIs, repository, etc.) than one should consider attaching this Provenance resource instance to the relevant FHIR resources generated.
1 | OML_O21.MSH | MSH | Message Header | 1 | 1 |  |  |  | Provenance | MSH[Provenance-Transformation] | Provenance[2].target.reference=Bundle.id | If the FHIR transformation does not yield a FHIR Bunlde, but only a set of resource (APIs, repository, etc.) than one should consider attaching this Provenance resource instance to the relevant FHIR resources generated.
2 | OML_O21.SFT | [{SFT}] | Software | 0 | -1 |  |  | If the software does not represent the original source system | Provenance.entity.what(Device) | SFT[Device] | Provenance[1].entity.what.reference=Device.id Provenance[1].entity.role="derivation" |
2 | OML_O21.SFT | [{SFT}] | Software | 0 | -1 |  |  | If the software represents the original source system | Provenance.entity.what(Device) | SFT[Device] | Provenance[1].entity.what.reference=Device.id Provenance[1].entity.role="source" |
3 | OML_O21.UAC | [ UAC ] | User Authentication Credential | 0 | 1 | ic |  |  |  |  |  |
4 | OML_O21.NTE | [{NTE}] | Notes and Comments (for Header) | 0 | -1 |  |  |  |  |  |  |
5 | OML_O21.PATIENT | [ | --- PATIENT begin | 0 | 1 |  |  |  |  |  |  |
5.1 | OML_O21.PATIENT.PID | PID | Patient Identification | 1 | 1 |  |  |  | Patient | PID[Patient] |  | Processing of the PID segment results in the creation of a new Patient resource
5.1 | OML_O21.PATIENT.PID | PID | Patient Identification | 1 | 1 | IF PID-33 AND PID-34 VALUED |  | One may drop PID-33 from the condition if PID-34 Last Update Facility is still sufficient without a date. | Provenance | PID[Provenance-Patient] | Provenance.target.reference=Patient[1].id |
5.2 | OML_O21.PATIENT.PD1 | [PD1] | Additional Demographics | 0 | 1 |  |  |  | Patient | PD1[Patient] |  | Incorporate PD1 content into the Patient created from the PID segment.
5.2 | OML_O21.PATIENT.PD1 | [PD1] | Additional Demographics | 0 | 1 | IF PD1-7 VALUED |  |  | Observation | PD1[Observation-LivingWill] | Observation[2].subject.reference=Patient[1].id |
5.3 | OML_O21.PATIENT.PRT | [{PRT}] | Participation (for Patient) | 0 | -1 | IF PRT-4.1 EQUALS "PP" AND PRT-4.3 EQUALS "HL70443" | (element("4.1")="PP")and(element("4.3")="HL70443") |  | PractitionerRole | PRT[PractitionerRole] | Patient[1].generalPractitioner.reference=PractitionerRole[1].id | Incorporate PRT content into the Patient created from the PID segment when the PRT contains practitioner related data.
5.3 | OML_O21.PATIENT.PRT | [{PRT}] | Participation (for Patient) | 0 | -1 | IF PRT-4.1 NOT EQUALS "PP" OR PRT-4.3 NOT EQUALS "HL70443" | (element("4.1"!)="PP")or(element("4.3")!="HL70443") |  | RelatedPerson | PRT[RelatedPerson] | RelatedPerson[1].patient.reference=Patient[1].id |
5.4 | OML_O21.PATIENT.NTE | [{NTE}] | Notes and Comments (for Patient ID) | 0 | -1 |  |  |  |  |  |  |
5.6 | OML_O21.PATIENT.NK1 | [{NK1}] | Next of Kin/Associated Parties | 0 | -1 |  |  | The FHIR location will depend on the nature of the data being exchanged and how the systems use next of kin data | RelatedPerson | NK1[RelatedPerson] | RelatedPerson[2].patient.reference=Patient[1].id | Typically, each NK1 will be translated to either a new RelatedPerson resource or added as a new occurrence of Patient.contact, but it's possible to insert the NK1 data into both structures.
5.6 | OML_O21.PATIENT.NK1 | [{NK1}] | Next of Kin/Associated Parties | 0 | -1 |  |  | The FHIR location will depend on the nature of the data being exchanged and how the systems use next of kin data | Patient | NK1[Patient] |  | Typically, each NK1 will be translated to either a new RelatedPerson resource or added as a new occurrence of Patient.contact, but it's possible to insert the NK1 data into both structures.
5.7 | OML_O21.PATIENT.ARV | [{ARV}] | Access Restrictions | 0 | -1 |  |  |  |  |  |  |
5.8 | OML_O21.PATIENT.PATIENT_VISIT | [ | --- PATIENT_VISIT begin | 0 | 1 |  |  |  |  |  |  |
5.8.1 | OML_O21.PATIENT.PATIENT_VISIT.PV1 | PV1 | Patient Visit | 1 | 1 |  |  |  | Encounter | PV1[Encounter] | Encounter.subject=Patient[PID] | Processing of the PV1 segment results in the creation of a new Encounter resource
5.8.1 | OML_O21.PATIENT.PATIENT_VISIT.PV1 | PV1 | Patient Visit | 1 | 1 | IF PV1-43 VALUED |  |  | Basic | PV1[Basic-EncounterHistory] | Basic.extension-EncounterHistory.subject.reference=Patient[1].id |
5.8.1 | OML_O21.PATIENT.PATIENT_VISIT.PV1 | PV1 | Patient Visit | 1 | 1 |  |  |  | Patient | PV1[Patient] |  |
5.8.1 | OML_O21.PATIENT.PATIENT_VISIT.PV1 | PV1 | Patient Visit | 1 | 1 | IF PV1-20 VALUE |  |  | Coverage | PV1[Coverage] | Coverage.beneficiary.reference=Patient[1].id |
5.8.2 | OML_O21.PATIENT.PATIENT_VISIT.PV2 | [ PV2 ] | Patient Visit- Additional Info | 0 | 1 |  |  |  | Encounter | PV2[Encounter] |  | Incorporate PV2 content into the Encounter created from the PV1 segment.
5.8.3 | OML_O21.PATIENT.PATIENT_VISIT.PRT | [{PRT}] | Participation (for Patient Visit) | 0 | -1 |  |  |  | PractitionerRole | PRT[PractitionerRole] | Encounter[1].participant.individual.reference=PractitionerRole[2].id | Incorporate PRT content into the Encounter created from the PV1 segment.
5.8.4 | /OML_O21.PATIENT.PATIENT_VISIT | ] | --- PATIENT_VISIT end |  |  |  |  |  |  |  |  |
5.9 | OML_O21.PATIENT.INSURANCE | [{ | --- INSURANCE begin | 0 | -1 |  |  |  |  |  |  |
5.9.1 | OML_O21.PATIENT.INSURANCE.IN1 | IN1 | Insurance | 1 | 1 |  |  |  | Coverage | IN1[Coverage] | Coverage.subscriber=Patient[PID] | Processing of the IN1 segment results in the creation of a new Coverage resource
5.9.2 | OML_O21.PATIENT.INSURANCE.IN2 | [ IN2 ] | Insurance Additional Information | 0 | 1 |  |  |  |  |  |  |
5.9.3 | OML_O21.PATIENT.INSURANCE.IN3 | [ IN3 ] | Insurance Additional Information, Certification | 0 | 1 |  |  |  | Coverage | IN3[CareTeam] |  |
5.9 | /OML_O21.PATIENT.INSURANCE | }] | --- INSURANCE end |  |  |  |  |  |  |  |  |
5.10 | OML_O21.PATIENT.GT1 | [ GT1 ] | Guarantor | 0 | 1 |  |  |  |  |  |  |
5.11 | OML_O21.PATIENT.AL1 | [{AL1}] | Allergy Information | 0 | -1 |  |  |  | AllergyIntolerance | AL1[AllergyIntolerance] | AllergyIntolerance.patient=Patient[PID] | Processing of the AL1 segment results in the creation of a new AllergyIntolerance resource
5.12 | /OML_O21.PATIENT | ] | --- PATIENT end |  |  |  |  |  |  |  |  |
6 | OML_O21.ORDER | { | --- ORDER begin | 1 | -1 |  |  |  |  |  |  |
6.1 | OML_O21.ORDER.ORC | ORC | Common Order | 1 | 1 |  |  |  | ServiceRequest | ORC[ServiceRequest] | ServiceRequest.subject=Patient[PID] | Processing of each ORC segment results in the creation of a new ServiceRequest resource
6.1 | OML_O21.ORDER.ORC | ORC | Common Order | 1 | 1 |  |  |  | Provenance | ORC[Provenance] | Provenance.target=ServiceRequest[ORC] | Using Provenance is the preferred way, but a local implementation may decide to add extensions to the main resource. As the use and guidance of Provenance matures we wil revisit this later.
6.2 | OML_O21.ORDER.PRT | [{PRT}] | Participation (for Common Order) | 0 | -1 | IF PRT-4.1 EQUALS "OP" AND PRT-4.3 EQUALS "HL70443" | (element("4.1")="OP")and(element("4.3")="HL70443") |  | PractitionerRole | PRT[PractitionerRole] | ServiceRequest[1].requester.reference=PractitionerRole[3].id |
6.3 | OML_O21.ORDER.TIMING | [{ | --- TIMING begin | 0 | -1 |  |  |  |  |  |  |
6.3.1 | OML_O21.ORDER.TIMING.TQ1 | TQ1 | Timing/Quantity | 1 | 1 |  |  |  | ServiceRequest | TQ1[ServiceRequest] |  |
6.3.2 | OML_O21.ORDER.TIMING.TQ2 | [{TQ2}] | Timing/Quantity Order Sequence | 0 | -1 |  |  |  |  |  |  |
6.3.3 | /OML_O21.ORDER.TIMING | }] | --- TIMING end |  |  |  |  |  |  |  |  |
6.4 | OML_O21.ORDER.OBSERVATION_REQUEST | [ | --- OBSERVATION_REQUEST begin | 0 | 1 |  |  |  |  |  |  |
6.4.1 | OML_O21.ORDER.OBSERVATION_REQUEST.OBR | OBR | Observation Request | 1 | 1 |  |  |  | ServiceRequest | OBR[ServiceRequest] |  | Incorporate OBR content into the ServiceRequest created from the ORC segment in the same segment group.
6.4.1 | OML_O21.ORDER.OBSERVATION_REQUEST.OBR | OBR | Observation Request | 1 | 1 |  |  |  | Specimen | OBR[Specimen] |  |
6.4.2 | OML_O21.ORDER.OBSERVATION_REQUEST.TCD | [ TCD ] | Test Code Details | 0 | 1 |  |  |  |  |  |  |
6.4.3 | OML_O21.ORDER.OBSERVATION_REQUEST.NTE | [{NTE}] | Notes and Comments (for Detail) | 0 | -1 |  |  |  | ServiceRequest | NTE[ServiceRequest] |  |
6.4.4 | OML_O21.ORDER.OBSERVATION_REQUEST.PRT | [{PRT}] | Participation (for Observation Request) | 0 | -1 | IF PRT-4.1 EQUALS "SC" AND PRT-4.3 EQUALS "HL70443" | (element("4.1")="SC")and(element("4.3")="HL70443") |  | PractitionerRole | PRT[PractitionerRole] | ServiceRequest[1].specimen[1](Specimen.collection.collector.reference)=PractitionerRole[4].id |
6.4.4 | OML_O21.ORDER.OBSERVATION_REQUEST.PRT | [{PRT}] | Participation (for Observation Request) | 0 | -1 | IF PRT-4.1 EQUALS "OP" AND PRT-4.3 EQUALS "HL70443" | (element("4.1")="OP")and(element("4.3")="HL70443") |  | PractitionerRole | PRT[PractitionerRole] | ServiceRequest[1].requester.reference=PractitionerRole[3].id |
6.4.5 | OML_O21.ORDER.OBSERVATION_REQUEST.CTD | [ CTD ] | Contact Data | 0 | 1 |  |  |  |  |  |  |
6.4.6 | OML_O21.ORDER.OBSERVATION_REQUEST.DG1 | [{DG1}] | Diagnosis | 0 | -1 |  |  |  | Condition | DG1[Condition] | ServiceRequest[1].reasonReference.reference=Condition[1].id; Condition[1].subject.reference=Patient[1].id | Processing of the DG1 segment results in the creation of a new Condition resource which is referenced in the ServiceRequest created by the ORC segment
6.4.7 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION | [{ | --- OBSERVATION begin | 0 | -1 |  |  |  |  |  |  |
6.4.7.1 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.OBX | OBX | Observation/Result | 1 | 1 | IF OBX-5 LST.count LESS THAN OR EQUALS 1 OR OBX-2 IS "NA" |  |  | Observation | OBX[Observation] | ServiceRequest[1].supportingInfo.reference=Observation[1].id; Observation[1].subject.id=Patient[1].id |
6.4.7.1 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.OBX | OBX | Observation/Result | 1 | 1 | IF OBX-5 LST.count GREATER THAN 1 AND OBX-2 IS NOT "NA" |  |  | Observation | OBX[Observation-Component] | ServiceRequest[1].supportingInfo.reference=Observation[1].id; Observation[1].subject.id=Patient[1].id |
6.4.7.2 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.PRT | [{PRT}] | Participation (for OBX) | 0 | -1 | IF PRT-10 VALUED |  |  | Device | PRT[Device] | Observation[1].device.reference=Device.id |
6.4.7.2 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.PRT | [{PRT}] | Participation (for OBX) | 0 | -1 | IF PRT-9 VALUED OR IF PRT-14 VALUED |  |  | Observation | PRT[Observation-Location] |  | Incorporate PRT content into the Observation created from the OBX segment in the same segment group when it represents observation location information.
6.4.7.2 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.PRT | [{PRT}] | Participation (for OBX) | 0 | -1 | IF PRT-5 VALUED |  |  | PractitionerRole | PRT[PractitionerRole] | Observation[1].performer.reference=PractitionerRole[7].id | Incorporate PRT content into the Observation created from the OBX segment in the same segment group when it represents observation practitioner information.
6.4.7.3 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.TCD | [ TCD ] | Test Code Detail | 0 | 1 |  |  |  |  |  |  |
6.4.7.4 | OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.NTE | [{NTE}] | Notes and Comments (for Results) | 0 | -1 |  |  |  | Observation | NTE[Observation] |  |
6.4.7.5 | /OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION | }] | --- OBSERVATION end |  |  |  |  |  |  |  |  |
6.4.8 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN | [{ | --- SPECIMEN begin | 0 | -1 |  |  |  |  |  |  |
6.4.8.1 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.SPM | SPM | Specimen | 1 | 1 |  |  |  | Specimen | SPM[Specimen] | ServiceRequest[1].specimen.reference=Specimen[SPM].id |
6.4.8.1 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.SPM | SPM | Specimen | 1 | 1 | IF SPM-21 VALUED |  |  |  |  | ServiceRequest[1].specimen.#ext-rejectReason#=SPM-21 | This provides a reject reason for the specimen in context of the specific test as the specimen may still be usable for other tests.
6.4.8.2 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.SPECIMEN_OBSERVATION | [{ | --- SPECIMEN_OBSERVATION begin | 0 | -1 |  |  |  |  |  |  |
6.4.8.2.1 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.SPECIMEN_OBSERVATION.OBX | OBX | Observation/Result related to specimen | 1 | 1 |  |  |  |  |  |  |
6.4.8.2.2 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.SPECIMEN_OBSERVATION.PRT | [{PRT}] | Participation (for Specimen Observation) | 0 | -1 |  |  |  |  |  |  |
6.4.8.2.3 | /OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.SPECIMEN_OBSERVATION | }] | --- SPECIMEN_OBSERVATION end |  |  |  |  |  |  |  |  |
6.4.8.3 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.CONTAINER | [{ | --- CONTAINER begin | 0 | -1 |  |  |  |  |  |  |
6.4.8.3.1 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.CONTAINER.SAC | SAC | Specimen Container | 1 | 1 |  |  |  |  |  |  |
6.4.8.3.2 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.CONTAINER.CONTAINER_OBSERVATION | [{ | --- CONTAINER_OBSERVATION begin | 0 | -1 |  |  |  |  |  |  |
6.4.8.3.2.1 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.CONTAINER.CONTAINER_OBSERVATION.OBX | OBX | Observation/Result related to container | 1 | 1 |  |  |  |  |  |  |
6.4.8.3.2.2 | OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.CONTAINER.CONTAINER_OBSERVATION.PRT | [{PRT}] | Participation (for Container Observation) | 0 | -1 |  |  |  |  |  |  |
6.4.8.3.2.3 | /OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.CONTAINER.CONTAINER_OBSERVATION | }] | --- CONTAINER_OBSERVATION end |  |  |  |  |  |  |  |  |
6.4.8.3.3 | /OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.CONTAINER | }] | --- CONTAINER end |  |  |  |  |  |  |  |  |
6.4.8.4 | /OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN | }] | --- SPECIMEN end |  |  |  |  |  |  |  |  |
6.4.9 | OML_O21.ORDER.OBSERVATION_REQUEST.SGH | [SGH] | Segment Group Header |  |  |  |  |  |  |  |  |
6.4.10 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT | [{ | --- PRIOR_RESULT begin |  |  |  |  |  |  |  |  |
6.4.10.1 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.PATIENT_PRIOR | [ | --- PATIENT_PRIOR begin |  |  |  |  |  |  |  |  |
6.4.10.1.2 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.PATIENT_PRIOR.PID | PID | Patient Identification– previous result |  |  |  |  |  |  |  |  |
6.4.10.1.3 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.PATIENT_PRIOR.PD1 | [PD1] | Additional Demographics – previous result |  |  |  |  |  |  |  |  |
6.4.10.1.4 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.PATIENT_PRIOR.PRT | [{PRT}] | Participation (for Patient Prior) |  |  |  |  |  |  |  |  |
6.4.10.1.5 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.PATIENT_PRIOR.ARV | [{ARV}] | Access Restrictions |  |  |  |  |  |  |  |  |
6.4.10.1.6 | /OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.PATIENT_PRIOR | ] | --- PATIENT_PRIOR end |  |  |  |  |  |  |  |  |
6.4.10.2 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.RESULT_VISIT_PRIOR | [ | --- PATIENT_VISIT_PRIOR begin |  |  |  |  |  |  |  |  |
6.4.10.2.1 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.RESULT_VISIT_PRIOR.PV1 | PV1 | Patient Visit– previous result |  |  |  |  |  |  |  |  |
6.4.10.2.2 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.RESULT_VISIT_PRIOR.PV2 | [ PV2 ] | Patient Visit Add. Info – previous result |  |  |  |  |  |  |  |  |
6.4.10.2.3 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.RESULT_VISIT_PRIOR.PRT | [{PRT}] | Participation (for Patient Visit Prior) |  |  |  |  |  |  |  |  |
6.4.10.2.4 | /OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.RESULT_VISIT_PRIOR | ] | --- PATIENT_VISIT_PRIOR end |  |  |  |  |  |  |  |  |
6.4.10.3 | /OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.AL1 | [{AL1}] | Allergy Information- previous result |  |  |  |  |  |  |  |  |
6.4.10.4 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR | { | --- ORDER_PRIOR begin |  |  |  |  |  |  |  |  |
6.4.10.4.1 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.ORC | ORC | Common Order- previous result |  |  |  |  |  |  |  |  |
6.4.10.4.2 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.PRT | [{PRT}] | Participation |  |  |  |  |  |  |  |  |
6.4.10.4.3 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.OBR | OBR | Order Detail- previous result |  |  |  |  |  |  |  |  |
6.4.10.4.4 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.NTE | [{NTE}] | Notes and Comments- previous result |  |  |  |  |  |  |  |  |
6.4.10.4.5 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.PRT | [{PRT}] | Participation (for Order Prior) |  |  |  |  |  |  |  |  |
6.4.10.4.6 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.TIMING_PRIOR | [{ | --- TIMING_PRIOR begin |  |  |  |  |  |  |  |  |
6.4.10.4.6.1 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.TIMING_PRIOR.TQ1 | TQ1 | Timing/Quantity |  |  |  |  |  |  |  |  |
6.4.10.4.6.2 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.TIMING_PRIOR.TQ2 | [{TQ2}] | Timing/Quantity Order Sequence |  |  |  |  |  |  |  |  |
6.4.10.4.6.3 | /OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.TIMING_PRIOR | }] | --- TIMING_PRIOR end |  |  |  |  |  |  |  |  |
6.4.10.4.7 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.OBSERVATION_PRIOR | { | --- OBSERVATION_PRIOR begin |  |  |  |  |  |  |  |  |
6.4.10.4.7.1 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.OBSERVATION_PRIOR.OBX | OBX | Observation/Result- previous result |  |  |  |  |  |  |  |  |
6.4.10.4.7.2 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.OBSERVATION_PRIOR.PRT | [{PRT}] | Participation (for Observation Prior) |  |  |  |  |  |  |  |  |
6.4.10.4.7.3 | OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.OBSERVATION_PRIOR.NTE | [{NTE}] | Notes and Comments- previous result |  |  |  |  |  |  |  |  |
6.4.10.4.7.4 | /OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR.OBSERVATION_PRIOR | } | --- OBSERVATION_PRIOR end |  |  |  |  |  |  |  |  |
6.4.10.4.8 | /OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT.ORDER_PRIOR | } | --- ORDER_PRIOR end |  |  |  |  |  |  |  |  |
6.4.10.5 | /OML_O21.ORDER.OBSERVATION_REQUEST.PRIOR_RESULT | }] | --- PRIOR_RESULT end |  |  |  |  |  |  |  |  |
6.4.11 | OML_O21.ORDER.OBSERVATION_REQUEST.SGT | [SGT] | Segment Group Trailer |  |  |  |  |  |  |  |  |
6.4.12 | /OML_O21.ORDER.OBSERVATION_REQUEST | ] | --- OBSERVATION_REQUEST end |  |  |  |  |  |  |  |  |
6.5 | OML_O21.ORDER.FT1 | [{FT1}] | Financial Transaction |  |  |  |  |  |  |  |  |
6.6 | OML_O21.ORDER.CTI | [{CTI}] | Clinical Trial Identification |  |  |  |  |  |  |  |  |
6.7 | OML_O21.ORDER.BLG | [ BLG ] | Billing Segment |  |  |  |  |  |  |  |  |
6.8 | /OML_O21.ORDER | } | --- ORDER end |  |  |  |  |  |  |  |  |

Mapping from (not specified) to (not specified)

Group 1 Mapping from `unspecified code system` to `unspecified code system`

Source Concept Details | Relationship | Target Concept Details | Comment
Codes from | NarrativeCondition | ComputableFHIRPath | ComputableANTLR |  | Codes from |
OML_O21.MSH | Message Header |  |  |  | is equivalent to | Bundle | Bundle |
OML_O21.MSH | Message Header |  |  |  | is equivalent to | MessageHeader[1] | MessageHeader[1] | Processing of the MSH segment results in the creation of a new MessageHeader resource
OML_O21.MSH | Message Header | If there is a source in MSH-4, or known based on the configuration. |  |  | is equivalent to | Provenance[1] | Provenance[1] | If the FHIR transformation does not yield a FHIR message, but only a set of resource (APIs, repository, etc.) than one should consider attaching this Provenance resource instance to the relevant FHIR resources generated.
OML_O21.MSH | Message Header |  |  |  | is equivalent to | Provenance[2] | Provenance[2] | If the FHIR transformation does not yield a FHIR Bunlde, but only a set of resource (APIs, repository, etc.) than one should consider attaching this Provenance resource instance to the relevant FHIR resources generated.
OML_O21.SFT | Software | If the software does not represent the original source system |  |  | is equivalent to | Provenance[1].entity.what(Device) | Provenance[1].entity.what(Device) |
OML_O21.SFT | Software | If the software represents the original source system |  |  | is equivalent to | Provenance[1].entity.what(Device) | Provenance[1].entity.what(Device) |
OML_O21.PATIENT.PID | Patient Identification |  |  |  | is equivalent to | Patient[1] | Patient[1] | Processing of the PID segment results in the creation of a new Patient resource
OML_O21.PATIENT.PID | Patient Identification | One may drop PID-33 from the condition if PID-34 Last Update Facility is still sufficient without a date. |  | IF PID-33 AND PID-34 VALUED | is equivalent to | Provenance[4] | Provenance[4] |
OML_O21.PATIENT.PD1 | Additional Demographics |  |  |  | is equivalent to | Patient[1] | Patient[1] | Incorporate PD1 content into the Patient created from the PID segment.
OML_O21.PATIENT.PD1 | Additional Demographics |  |  | IF PD1-7 VALUED | is equivalent to | Observation[2] | Observation[2] |
OML_O21.PATIENT.PRT | Participation (for Patient) |  | (element("4.1")="PP")and(element("4.3")="HL70443") | IF PRT-4.1 EQUALS "PP" AND PRT-4.3 EQUALS "HL70443" | is equivalent to | PractitionerRole[1] | PractitionerRole[1] | Incorporate PRT content into the Patient created from the PID segment when the PRT contains practitioner related data.
OML_O21.PATIENT.PRT | Participation (for Patient) |  | (element("4.1"!)="PP")or(element("4.3")!="HL70443") | IF PRT-4.1 NOT EQUALS "PP" OR PRT-4.3 NOT EQUALS "HL70443" | is equivalent to | RelatedPerson[1] | RelatedPerson[1] |
OML_O21.PATIENT.NK1 | Next of Kin/Associated Parties | The FHIR location will depend on the nature of the data being exchanged and how the systems use next of kin data |  |  | is equivalent to | RelatedPerson[2] | RelatedPerson[2] | Typically, each NK1 will be translated to either a new RelatedPerson resource or added as a new occurrence of Patient.contact, but it's possible to insert the NK1 data into both structures.
OML_O21.PATIENT.NK1 | Next of Kin/Associated Parties | The FHIR location will depend on the nature of the data being exchanged and how the systems use next of kin data |  |  | is equivalent to | Patient[1] | Patient[1] | Typically, each NK1 will be translated to either a new RelatedPerson resource or added as a new occurrence of Patient.contact, but it's possible to insert the NK1 data into both structures.
OML_O21.PATIENT.PATIENT_VISIT.PV1 | Patient Visit |  |  |  | is equivalent to | Encounter[1] | Encounter[1] | Processing of the PV1 segment results in the creation of a new Encounter resource
OML_O21.PATIENT.PATIENT_VISIT.PV1 | Patient Visit |  |  | IF PV1-43 VALUED | is equivalent to | Basic | Basic |
OML_O21.PATIENT.PATIENT_VISIT.PV1 | Patient Visit |  |  |  | is equivalent to | Patient[1] | Patient[1] |
OML_O21.PATIENT.PATIENT_VISIT.PV1 | Patient Visit |  |  | IF PV1-20 VALUE | is equivalent to | Coverage[1] | Coverage[1] |
OML_O21.PATIENT.PATIENT_VISIT.PV2 | Patient Visit- Additional Info |  |  |  | is equivalent to | Encounter[1] | Encounter[1] | Incorporate PV2 content into the Encounter created from the PV1 segment.
OML_O21.PATIENT.PATIENT_VISIT.PRT | Participation (for Patient Visit) |  |  |  | is equivalent to | PractitionerRole[2] | PractitionerRole[2] | Incorporate PRT content into the Encounter created from the PV1 segment.
OML_O21.PATIENT.INSURANCE.IN1 | Insurance |  |  |  | is equivalent to | Coverage[1] | Coverage[1] | Processing of the IN1 segment results in the creation of a new Coverage resource
OML_O21.PATIENT.INSURANCE.IN3 | Insurance Additional Information, Certification |  |  |  | is equivalent to | Coverage[1] | Coverage[1] |
OML_O21.PATIENT.AL1 | Allergy Information |  |  |  | is equivalent to | AllergyIntolerance | AllergyIntolerance | Processing of the AL1 segment results in the creation of a new AllergyIntolerance resource
OML_O21.ORDER.ORC | Common Order |  |  |  | is equivalent to | ServiceRequest[1] | ServiceRequest[1] | Processing of each ORC segment results in the creation of a new ServiceRequest resource
OML_O21.ORDER.ORC | Common Order |  |  |  | is equivalent to | Provenance[3] | Provenance[3] | Using Provenance is the preferred way, but a local implementation may decide to add extensions to the main resource. As the use and guidance of Provenance matures we wil revisit this later.
OML_O21.ORDER.PRT | Participation (for Common Order) |  | (element("4.1")="OP")and(element("4.3")="HL70443") | IF PRT-4.1 EQUALS "OP" AND PRT-4.3 EQUALS "HL70443" | is equivalent to | PractitionerRole[3] | PractitionerRole[3] |
OML_O21.ORDER.TIMING.TQ1 | Timing/Quantity |  |  |  | is equivalent to | ServiceRequest[1] | ServiceRequest[1] |
OML_O21.ORDER.OBSERVATION_REQUEST.OBR | Observation Request |  |  |  | is equivalent to | ServiceRequest[1] | ServiceRequest[1] | Incorporate OBR content into the ServiceRequest created from the ORC segment in the same segment group.
OML_O21.ORDER.OBSERVATION_REQUEST.OBR | Observation Request |  |  |  | is equivalent to | Specimen[each] | Specimen[each] |
OML_O21.ORDER.OBSERVATION_REQUEST.NTE | Notes and Comments (for Detail) |  |  |  | is equivalent to | ServiceRequest[1] | ServiceRequest[1] |
OML_O21.ORDER.OBSERVATION_REQUEST.PRT | Participation (for Observation Request) |  | (element("4.1")="SC")and(element("4.3")="HL70443") | IF PRT-4.1 EQUALS "SC" AND PRT-4.3 EQUALS "HL70443" | is equivalent to | PractitionerRole[4] | PractitionerRole[4] |
OML_O21.ORDER.OBSERVATION_REQUEST.PRT | Participation (for Observation Request) |  | (element("4.1")="OP")and(element("4.3")="HL70443") | IF PRT-4.1 EQUALS "OP" AND PRT-4.3 EQUALS "HL70443" | is equivalent to | PractitionerRole[3] | PractitionerRole[3] |
OML_O21.ORDER.OBSERVATION_REQUEST.DG1 | Diagnosis |  |  |  | is equivalent to | Condition[1] | Condition[1] | Processing of the DG1 segment results in the creation of a new Condition resource which is referenced in the ServiceRequest created by the ORC segment
OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.OBX | Observation/Result |  |  | IF OBX-5 LST.count LESS THAN OR EQUALS 1 OR OBX-2 IS "NA" | is equivalent to | Observation[1] | Observation[1] |
OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.OBX | Observation/Result |  |  | IF OBX-5 LST.count GREATER THAN 1 AND OBX-2 IS NOT "NA" | is equivalent to | Observation[1] | Observation[1] |
OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.PRT | Participation (for OBX) |  |  | IF PRT-10 VALUED | is equivalent to | Device[1] | Device[1] |
OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.PRT | Participation (for OBX) |  |  | IF PRT-9 VALUED OR IF PRT-14 VALUED | is equivalent to | Observation[1] | Observation[1] | Incorporate PRT content into the Observation created from the OBX segment in the same segment group when it represents observation location information.
OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.PRT | Participation (for OBX) |  |  | IF PRT-5 VALUED | is equivalent to | PractitionerRole[7] | PractitionerRole[7] | Incorporate PRT content into the Observation created from the OBX segment in the same segment group when it represents observation practitioner information.
OML_O21.ORDER.OBSERVATION_REQUEST.OBSERVATION.NTE | Notes and Comments (for Results) |  |  |  | is equivalent to | Observation[1] | Observation[1] |
OML_O21.ORDER.OBSERVATION_REQUEST.SPECIMEN.SPM | Specimen |  |  |  | is equivalent to | Specimen | Specimen |

### Notes: