CDA to FHIR Maps
0.1.0 - ci-build Italy flag

CDA to FHIR Maps, published by HL7 Italy. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-it/cda2fhir/ and changes regularly. See the Directory of published versions

StructureMap: CDA to FHIR - VAC

Official URL: http://hl7.it/fhir/cda2fhir/StructureMap/cda2fhirVaccination Version: 0.1.0
Draft as of 2024-09-15 Computable Name: cda2fhirVaccination
map "http://hl7.it/fhir/cda2fhir/StructureMap/cda2fhirVaccination" = "cda2fhirVaccination"

uses "http://hl7.org/fhir/cda/StructureDefinition/ClinicalDocument" alias ClinicalDocument as source
uses "http://hl7.org/fhir/cda/StructureDefinition/AssignedAuthor" alias AssignedAuthor as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/AssignedEntity" alias AssignedEntity as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/AssociatedEntity" alias AssociatedEntity as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/CustodianOrganization" alias CustodianOrganization as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/OrganizationPartOf" alias OrganizationPartOf as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/Organization" alias rapresentedOrganization as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/Section" alias Section as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/PatientRole" alias PatientRole as queried
uses "http://hl7.org/fhir/cda/StructureDefinition/AD" alias AD as source
uses "http://hl7.org/fhir/StructureDefinition/Bundle" alias Bundle as target
uses "http://hl7.org/fhir/StructureDefinition/Composition" alias Composition as produced
uses "http://hl7.org/fhir/StructureDefinition/Patient" alias Patient as produced
uses "http://hl7.org/fhir/StructureDefinition/Encounter" alias Encounter as produced
uses "http://hl7.org/fhir/StructureDefinition/Person" alias Patient as produced
uses "http://hl7.org/fhir/StructureDefinition/Practitioner" alias Practitioner as produced
uses "http://hl7.org/fhir/StructureDefinition/Organization" alias Organization as produced
uses "http://hl7.org/fhir/cda/StructureDefinition/Act" alias Act as produced
uses "http://hl7.org/fhir/cda/StructureDefinition/IVL-PQ" alias IVL_PQ as source
uses "http://hl7.org/fhir/cda/StructureDefinition/PQ" alias PQ as source
uses "http://hl7.org/fhir/StructureDefinition/SimpleQuantity" alias SimpleQuantity as target
uses "http://hl7.org/fhir/StructureDefinition/Immunization" alias Immunization as target

imports "http://hl7.it/fhir/cda2fhir/StructureMap/cda2fhirDataTypes"
imports "http://hl7.it/fhir/cda2fhir/StructureMap/cda2fhirHeader"

group CdaToBundle(source cda : ClinicalDocument, target bundle : Bundle) {
  cda ->  bundle.entry as e,  e.request = create('BackboneElement') as request,  request.method = 'POST',  e.resource = create('Composition') as composition,  composition.id = uuid() as uuid1,  e.fullUrl = append('https://example/Composition/', uuid1),  request.url = 'Composition',  bundle.entry as e2,  e2.request = create('BackboneElement') as requestPAT,  requestPAT.method = 'PUT',  e2.resource = create('Patient') as patient,  patient.id = uuid() as uuid2,  e2.fullUrl = append('https://example/Patient/', uuid2),  bundle.entry as e3,  e3.request = create('BackboneElement') as request,  request.method = 'POST',  e3.resource = create('Encounter') as encounter,  encounter.id = uuid() as uuid3,  e3.fullUrl = append('https://example/Encounter/', uuid3),  request.url = 'Encounter',  bundle.entry as e5,  e5.request = create('BackboneElement') as request,  request.method = 'POST',  e5.resource = create('DocumentReference') as DocumentReference,  DocumentReference.id = uuid() as uuid5,  e5.fullUrl = append('https://example/DocumentReference/', uuid5),  request.url = 'DocumentReference' then {
    cda then ClinicalDocumentToBundle(cda, patient, composition, encounter, bundle, DocumentReference) "cdatobundle";
    cda.recordTarget as recordTarget then {
      recordTarget.patientRole as patient then {
        patient.id as id -> patient.identifier as identifier then {
          id.root as r -> identifier.system = translate(r, 'http://hl7.org/fhir/ConceptMap/special-oid2uri', 'uri') "root1";
          id.extension as ext1 -> identifier.value = ext1 "value";
          id.assigningAuthorityName as s ->  identifier.assigner as a,  a.display = s;
        } "idfr";
        patient.id as id where (root = '2.16.840.1.113883.2.9.4.3.2') or (root = '2.16.840.1.113883.2.9.4.3.7') or (root = '2.16.840.1.113883.2.9.4.3.3') or (root = '2.16.840.1.113883.2.9.4.3.17') or (root = '2.16.840.1.113883.2.9.4.3.18') or (root = '2.16.840.1.113883.2.9.2.10.4.1.1') or (root = '2.16.840.1.113883.2.9.2.20.4.1.1') or (root = '2.16.840.1.113883.2.9.2.30.4.1.1') or (root = '2.16.840.1.113883.2.9.2.41.4.1.1') or (root = '2.16.840.1.113883.2.9.2.42.4.1.1') or (root = '2.16.840.1.113883.2.9.2.50.4.1.1') or (root = '2.16.840.1.113883.2.9.2.60.4.1.1') or (root = '2.16.840.1.113883.2.9.2.70.4.1.1') or (root = '2.16.840.1.113883.2.9.2.80.4.1.1') or (root = '2.16.840.1.113883.2.9.2.90.4.1.1') or (root = '2.16.840.1.113883.2.9.2.100.4.1.1') or (root = '2.16.840.1.113883.2.9.2.110.4.1.1') or (root = '2.16.840.1.113883.2.9.2.120.4.1.1') or (root = '2.16.840.1.113883.2.9.2.130.4.1.1') or (root = '2.16.840.1.113883.2.9.2.140.4.1.1') or (root = '2.16.840.1.113883.2.9.2.150.4.1.1') or (root = '2.16.840.1.113883.2.9.2.160.4.1.1') or (root = '2.16.840.1.113883.2.9.2.170.4.1.1') or (root = '2.16.840.1.113883.2.9.2.180.4.1.1') or (root = '2.16.840.1.113883.2.9.2.190.4.1.1') or (root = '2.16.840.1.113883.2.9.2.200.4.1.1') or (root = '2.16.840.1.113883.2.9.2.10.4.1') or (root = '2.16.840.1.113883.2.9.2.20.4.1') or (root = '2.16.840.1.113883.2.9.2.30.4.1') or (root = '2.16.840.1.113883.2.9.2.41.4.1') or (root = '2.16.840.1.113883.2.9.2.42.4.1') or (root = '2.16.840.1.113883.2.9.2.50.4.1') or (root = '2.16.840.1.113883.2.9.2.60.4.1') or (root = '2.16.840.1.113883.2.9.2.70.4.1') or (root = '2.16.840.1.113883.2.9.2.80.4.1') or (root = '2.16.840.1.113883.2.9.2.90.4.1') or (root = '2.16.840.1.113883.2.9.2.100.4.1') or (root = '2.16.840.1.113883.2.9.2.110.4.1') or (root = '2.16.840.1.113883.2.9.2.120.4.1') or (root = '2.16.840.1.113883.2.9.2.130.4.1') or (root = '2.16.840.1.113883.2.9.2.140.4.1') or (root = '2.16.840.1.113883.2.9.2.150.4.1') or (root = '2.16.840.1.113883.2.9.2.160.4.1') or (root = '2.16.840.1.113883.2.9.2.170.4.1') or (root = '2.16.840.1.113883.2.9.2.180.4.1') or (root = '2.16.840.1.113883.2.9.2.190.4.1') or (root = '2.16.840.1.113883.2.9.2.200.4.1') or (root = '2.16.840.1.113883.2.9.4.3.15') then {
          id.extension as ext -> requestPAT.url = append('Patient?identifier=', ext) "UUID";
        } "ext";
      } "record";
    } "recPat";
  } "ClinicalDocumentToBody";
}

group ClinicalDocumentToBundle(source cda : ClinicalDocument, target patient : Patient, target composition : Composition, target encounter : Encounter, target bundle : Bundle, target DocumentReference : DocumentReference) {
  cda -> encounter.status = 'finished' "finished";
  cda -> encounter.class = create('Coding') as coding then {
    cda -> coding.code = 'AMB' "amb";
  } "coding";
  cda -> bundle.id = uuid() "id";
  cda.id -> bundle.identifier "identifier";
  cda -> bundle.type = 'transaction' "type";
  cda -> bundle.timestamp = (timestamp.now()) "date";
  cda then ClinicalDocumentComposition(cda, composition, patient, encounter, bundle, DocumentReference) "composition";
  cda.component as component then {
    component.structuredBody as body then {
      body.component as component then {
        component.section as srcSection then {
          srcSection -> composition.section as tgtSection then ClinicalDocumentSection(cda, srcSection, patient, tgtSection, bundle, encounter) "TerapiaFarmacologicaAllaDimissione";
        };
      };
    } "body";
  };
}

// --------------------------------
group ClinicalDocumentSection(source cda : ClinicalDocument, source src : Section, target patient : Patient, target tgt, target bundle : Bundle, target enc : Encounter) {
  src.title as t -> tgt.title = (t.dataString);
  src.code -> tgt.code;
  src.text as cdaText -> tgt.text as fhirText then {
    cdaText -> fhirText.status = 'generated' "narrativeStatus";
    cdaText as t -> fhirText.div = t "narrativeText";
  } "cdaText";
  src.entry as entry1 then {
    entry1.substanceAdministration as substance then {
      substance.templateId where (root = '2.16.840.1.113883.2.9.10.1.11.4.1') ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'POST',  e1.resource = create('Immunization') as immunization,  immunization.id = uuid() as uuid1,  e1.fullUrl = append('https://example/Immunization/', uuid1),  request.url = 'Immunization',  tgt.entry = create('Reference') as reference,  reference.reference = ('https://example/Immunization/' + %immunization.id) then {
        substance ->  immunization.patient = create('Reference') as reference,  reference.reference = ('https://example/Patient/' + %patient.id) "patientRef";
        // substance.templateId as tid -> immunization.identifier as idf then{
        substance.statusCode as statusc where (code = 'completed') -> immunization.status = 'completed';
        substance.statusCode as statusc where (code = 'aborted') -> immunization.status = 'final';
        substance.statusCode as statusc where (code = 'suspended') -> immunization.status = 'enterer-in-error';
        substance.statusCode as statusc where (code = 'cancelled') -> immunization.status = 'not-done';
        substance.effectiveTime as eff where (value.exists()) -> immunization.occurrence = create('dateTime') as value then TSDateTime(eff, value) "value1";
        substance.effectiveTime as eff where (low.exists()) -> immunization.occurrence = create('Period') as value then IVLTSPeriod(eff, value) "valuePeriod";
        substance.routeCode -> immunization.route "route";
        substance.approachSiteCode -> immunization.site "site";
        substance -> immunization.doseQuantity = create('SimpleQuantity') as quantity then {
          substance.doseQuantity as q then {
            q -> quantity.value = (q.value) "val";
            q -> quantity.unit = (q.unit) "uni";
          } "qua";
        } "q";
        substance.consumable as cons then {
          cons.manufacturedProduct as manufact then {
            manufact.manufacturedMaterial as manufactmat then {
              manufactmat.code -> immunization.vaccineCode;
              manufactmat.lotNumberText as t -> immunization.lotNumber = (t.dataString);
            } "manufactmat";
            manufact.manufacturerOrganization as manufactOrg ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'PUT',  e1.resource = create('Organization') as organization then {
              manufactOrg -> organization.meta as meta then {
                manufactOrg -> meta.tag = create('Coding') as coding then {
                  manufactOrg -> coding.system = 'http://algoritmodiscoring' "system";
                  manufactOrg -> coding.code = 'ClinicalDocument/body/manufacturerOrganization' "code";
                } "coding";
              } "meta";
              manufactOrg.id as id -> organization.identifier as identifier then {
                id.root as r -> identifier.system = translate(r, 'http://hl7.org/fhir/ConceptMap/special-oid2uri', 'uri') "root1";
                id.extension as ext -> identifier.value = ext then {
                  ext -> request.url = append('Organization?identifier=', ext) "UUID";
                } "ext";
                id.assigningAuthorityName as s ->  identifier.assigner as a,  a.display = s;
                id.root as r then {
                  id.extension as ext ->  organization.id = (r + '-' + ext) as uuid5,  e1.fullUrl = append('https://example/Organization/', uuid5),  immunization.manufacturer = create('Reference') as reference,  reference.reference = ('https://example/Organization/' + %uuid5);
                } "r";
              } "identifier";
              // manufactOrg.id as id then{
              manufactOrg.name as n -> organization.name = (n.other);
            } "manufactOrg";
          } "manufact";
        } "cons";
        substance.participant as part ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'PUT',  e1.resource = create('Location') as location then {
          part -> location.meta as meta then {
            part -> meta.tag = create('Coding') as coding then {
              part -> coding.system = 'http://algoritmodiscoring' "system";
              part -> coding.code = 'ClinicalDocument/body/participant' "code";
            } "coding";
          } "meta";
          part.participantRole as partRole then {
            partRole.id as id -> location.identifier as identifier then {
              id.root as r -> identifier.system = translate(r, 'http://hl7.org/fhir/ConceptMap/special-oid2uri', 'uri') "root1";
              id.extension as ext -> identifier.value = ext then {
                ext -> request.url = append('Location?identifier=', ext) "UUID";
              } "ext";
              id.assigningAuthorityName as s ->  identifier.assigner as a,  a.display = s;
              id.root as r then {
                id.extension as ext ->  location.id = (r + '-' + ext) as uuid6,  e1.fullUrl = append('https://example/Location/', uuid6),  immunization.location = create('Reference') as reference,  reference.reference = ('https://example/Location/' + %uuid6) "ref";
              } "r";
            } "identifier";
          } "role";
        } "part";
        cda -> immunization.protocolApplied as prot then {
          substance.entryRelationship as entrirel4 then {
            entrirel4.observation as obs then {
              obs.code where (code = '75323-6') then {
                obs.value -> prot.targetDisease;
              } "codeControl";
            } "entrirel2";
            entrirel4.observation as obsdosenumber then {
              obsdosenumber.code where (code = '30973-2') then {
                obsdosenumber.value as v then {
                  v.value as int -> prot.doseNumber = (int.toString());
                } "v";
              } "codeControl";
            } "entrirel2";
          } "entrirel4";
        } "protocolAp";
        substance.entryRelationship as entrirel2 then {
          entrirel2.observation as obs then {
            obs.code where ((code = '59778-1') or (code = '30981-5') or (code = '30980-7') or (code = '59777-3')) then {
              obs.value as value then {
                value.high as h then {
                  h.value as date -> immunization.expirationDate = truncate(date, 10);
                } "da";
              };
            } "codeControl";
          } "obs";
        } "entrirel2";
        substance.entryRelationship as entrirel3 then {
          entrirel3.observation as obs then {
            obs.code where (code = '95715-9') ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'POST',  e1.resource = create('Observation') as observation,  observation.id = uuid() as uuid1,  e1.fullUrl = append('https://example/Observation/', uuid1),  request.url = 'Observation',  immunization.reasonReference = create('Reference') as reference,  reference.reference = ('https://example/Observation/' + %observation.id) then {
              obs then Observation(entrirel3, patient, tgt, bundle, enc, observation) "observation";
            } "codeControl";
          } "obs";
        } "entrirel2";
        substance.entryRelationship as entrirel4 then {
          entrirel4.observation as obs then {
            obs.code where (code = '59785-6') ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'POST',  e1.resource = create('Observation') as observation,  observation.id = uuid() as uuid1,  e1.fullUrl = append('https://example/Observation/', uuid1),  request.url = 'Observation',  immunization.reasonReference = create('Reference') as reference,  reference.reference = ('https://example/Observation/' + %observation.id) then {
              obs then Observation1(entrirel4, patient, tgt, bundle, enc, observation) "observation";
            } "codeControl";
          } "obs";
        } "entrirel2";
        substance.entryRelationship as entrirel4 then {
          entrirel4.observation as obs then {
            obs.code where (code = '31044-1') ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'POST',  e1.resource = create('Observation') as observation,  observation.id = uuid() as uuid1,  e1.fullUrl = append('https://example/Observation/', uuid1),  request.url = 'Observation',  immunization.reasonReference = create('Reference') as reference,  reference.reference = ('https://example/Observation/' + %observation.id) then {
              obs then Observation1(entrirel4, patient, tgt, bundle, enc, observation) "observation";
            } "codeControl";
          } "obs";
        } "entrirel2";
      } "ControlloImmunization";
      substance.templateId where (root = '2.16.840.1.113883.2.9.10.1.11.4.2') ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'POST',  e1.resource = create('Immunization') as immunization,  immunization.id = uuid() as uuid1,  e1.fullUrl = append('https://example/Immunization/', uuid1),  request.url = 'Immunization',  tgt.entry = create('Reference') as reference,  reference.reference = ('https://example/Immunization/' + %immunization.id) then {
        substance ->  immunization.patient = create('Reference') as reference,  reference.reference = ('https://example/Patient/' + %patient.id) "patientRef";
        // substance.templateId as tid -> immunization.identifier as idf then{
        substance.statusCode as statusc where (code = 'completed') -> immunization.status = 'completed';
        substance.statusCode as statusc where (code = 'aborted') -> immunization.status = 'final';
        substance.statusCode as statusc where (code = 'suspended') -> immunization.status = 'enterer-in-error';
        substance.statusCode as statusc where (code = 'cancelled') -> immunization.status = 'not-done';
        substance.effectiveTime as eff where (value.exists()) -> immunization.occurrence = create('dateTime') as value then TSDateTime(eff, value) "value1";
        substance.effectiveTime as eff where (low.exists()) -> immunization.occurrence = create('Period') as value then IVLTSPeriod(eff, value) "valuePeriod";
        substance.consumable as cons then {
          cons.manufacturedProduct as manufact then {
            manufact.manufacturedMaterial as manufactmat then {
              manufactmat.code -> immunization.vaccineCode;
              manufactmat.lotNumberText as t -> immunization.lotNumber = (t.dataString);
            } "manufactmat";
            manufact.manufacturerOrganization as manufactOrg ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'PUT',  e1.resource = create('Organization') as organization then {
              manufactOrg -> organization.meta as meta then {
                manufactOrg -> meta.tag = create('Coding') as coding then {
                  manufactOrg -> coding.system = 'http://algoritmodiscoring' "system";
                  manufactOrg -> coding.code = 'ClinicalDocument/body/manufacturerOrganization' "code";
                } "coding";
              } "meta";
              manufactOrg.id as id -> organization2.identifier as identifier then {
                id.root as r -> identifier.system = translate(r, 'http://hl7.org/fhir/ConceptMap/special-oid2uri', 'uri') "root1";
                id.extension as ext -> identifier.value = ext then {
                  manufactOrg -> request.url = append('Organization?identifier=', ext) "UUID";
                } "ext";
                id.assigningAuthorityName as s ->  identifier.assigner as a,  a.display = s;
                id.root as r then {
                  id.extension as ext ->  organization1.id = (r + '-' + ext) as uuid23,  e1.fullUrl = append('https://example/Organization/', uuid23),  immunization.manufacturer = create('Reference') as reference,  reference.reference = ('https://example/Organization/' + %uuid23) "org";
                } "r";
              } "identifier";
              manufactOrg.name as n -> organization.name = (n.other);
            } "manufactOrg";
          } "manufact";
        } "cons";
        cda -> immunization.protocolApplied as prot then {
          substance.entryRelationship as entrirel4 then {
            entrirel4.observation as obs then {
              obs.code where (code = '75323-6') then {
                obs.value -> prot.targetDisease;
              } "codeControl";
            } "entrirel2";
            entrirel4.observation as obsdosenumber then {
              obsdosenumber.code where (code = '30973-2') then {
                obsdosenumber.value as v then {
                  v.value as int -> prot.doseNumber = (int.toString());
                } "v";
              } "codeControl";
            } "entrirel2";
          } "entrirel4";
        } "protocolAp";
        substance.entryRelationship as entrirel1 then {
          entrirel1.observation as obs then {
            obs.code where (code = '85714-4') then {
              obs.code -> immunization.statusReason;
            } "codeControl";
            obs.code where (code = '59784-9') then {
              obs.value as val then {
                val.originalText as original -> immunization.statusReason = create('CodeableConcept') as cod then {
                  original.reference as reff -> cod.text = (reff.value);
                } "cod";
              } "val";
            } "codeControl";
          } "obs";
        } "entrirel1";
        substance.participant as part ->  bundle.entry as e1,  e1.request = create('BackboneElement') as request,  request.method = 'PUT',  e1.resource = create('Location') as location then {
          part -> location.meta as meta then {
            part -> meta.tag = create('Coding') as coding then {
              part -> coding.system = 'http://algoritmodiscoring' "system";
              part -> coding.code = 'ClinicalDocument/body/participant' "code";
            } "coding";
          } "meta";
          part.participantRole as partRole then {
            partRole.id as id -> location.identifier as identifier then {
              id.root as r -> identifier.system = translate(r, 'http://hl7.org/fhir/ConceptMap/special-oid2uri', 'uri') "root1";
              id.extension as ext -> identifier.value = ext then {
                ext -> request.url = append('Location?identifier=', ext) "UUID";
              } "ext";
              id.assigningAuthorityName as s ->  identifier.assigner as a,  a.display = s;
              id.root as r then {
                id.extension as ext ->  location.id = (r + '-' + ext) as uuid7,  e1.fullUrl = append('https://example/Location/', uuid7),  immunization.location = create('Reference') as reference,  reference.reference = ('https://example/Location/' + %uuid7) "ref";
              } "r";
            } "identifier";
          } "role";
        } "location";
      } "sub2";
    } "substance";
  };
}

group Observation(source entrirel2 : entryRelationship, target patient : Patient, target tgt, target bundle : Bundle, target enc : Encounter, target obs : Observation) {
  entrirel2.observation as observation then {
    // observation.templateId as tid -> obs.identifier as idf then{
    observation.code -> obs.code;
    observation.statusCode as statusc where (code = 'completed') -> obs.status = 'final';
    observation.statusCode as statusc where (code = 'active') -> obs.status = 'registered';
    observation.statusCode as statusc where (code = 'aborted') -> obs.status = 'cancelled';
    observation.statusCode as statusc where (code = 'suspended') -> obs.status = 'partial';
    observation ->  obs.subject = create('Reference') as reference,  reference.reference = ('https://example/Patient/' + %patient.id) "reference";
    observation ->  obs.encounter = create('Reference') as reference,  reference.reference = ('https://example/Encounter/' + %enc.id) "reference";
    observation -> obs.referenceRange as refRange then {
      observation.value -> refRange.appliesTo;
      observation -> refRange.text = 'string' "text";
    } "refRange";
  } "obs";
}

group Observation1(source entrirel4 : entryRelationship, target patient : Patient, target tgt, target bundle : Bundle, target enc : Encounter, target obs : Observation) {
  entrirel4.observation as observation then {
    // observation.templateId as tid -> obs.identifier as idf then{
    observation.code -> obs.code;
    observation.statusCode as statusc where (code = 'completed') -> obs.status = 'final';
    observation.statusCode as statusc where (code = 'active') -> obs.status = 'registered';
    observation.statusCode as statusc where (code = 'aborted') -> obs.status = 'cancelled';
    observation.statusCode as statusc where (code = 'suspended') -> obs.status = 'partial';
    observation ->  obs.subject = create('Reference') as reference,  reference.reference = ('https://example/Patient/' + %patient.id) "reference";
    observation ->  obs.encounter = create('Reference') as reference,  reference.reference = ('https://example/Encounter/' + %enc.id) "reference";
    observation.effectiveTime as eff where (value.exists()) -> obs.effective = create('dateTime') as value then TSDateTime(eff, value) "value1";
    observation.effectiveTime as eff -> obs.effective = create('Period') as period then IVLTSPeriod(eff, period) "period";
    observation -> obs.value = create('CodeableConcept') as concept then {
      observation.value -> concept.coding = create('Coding') as coding then {
        observation.value as v -> coding.code = (v.code);
        observation.value as v then {
          v.codeSystem as system -> coding.system = translate(system, 'http://hl7.org/fhir/ConceptMap/special-oid2uri', 'uri');
        } "vv";
        observation.value as v -> coding.display = (v.displayName);
      } "coding";
      observation.value as valu then {
        valu.originalText as txt then {
          txt.reference as ref -> concept.text = (ref.value);
        } "txt";
      };
    } "refRange";
  } "obs";
}