{ "resourceType" : "StructureMap", "id" : "EncounterVisitMapV4", "language" : "en", "text" : { "status" : "generated", "div" : "

Generated Narrative: StructureMap EncounterVisitMapV4

\r\n/// url = 'http://hl7.org/fhir/uv/omop/StructureMap/EncounterVisitMapV4'\r\n/// version = '2.0.0-ballot'\r\n/// name = 'EncounterVisitMapV4'\r\n/// title = 'Mapping Encounter resource to VisitOccurrence OMOP Domain V4'\r\n/// status = 'active'\r\n/// description = 'This mapping maps FHIR Encounter instances to OMOP Visit Occurence Table objects.'\r\n\r\nuses "http://hl7.org/fhir/StructureDefinition/Encounter|4.0.1" alias Encounter as source\r\nuses "http://hl7.org/fhir/uv/omop/StructureDefinition/VisitOccurrence" alias VisitTable as target\r\n\r\ngroup VisitOccurrence(source src : Encounter, target tgt : VisitTable) {\r\n  src where (src.period.empty().not()) then {\r\n    // OMOP Visit Occurrence ID would be a map from FHIR ID to an external key\r\n    src as s -> tgt then {\r\n      s.identifier as i -> tgt then {\r\n        i.value as id -> tgt.visit_occurrence_id = cast(id, 'integer');\r\n      } "encounterIdFromIdentifier";\r\n    } "encounterId";\r\n    // OMOP Person ID would be a map from the FHIR Encounter Subject reference to an external key\r\n    src.subject as subject -> tgt then {\r\n      subject.reference as s -> tgt.person_id = (%s.substring(%s.indexOf('/') + 1));\r\n    };\r\n    src.class as s -> tgt then {\r\n      s.code as a ->  tgt.visit_concept_id = translate(a, 'http://hl7.org/fhir/uv/omop/ConceptMap/EncounterClass', 'code'),  tgt.visit_source_value = cast(a, 'string');\r\n    };\r\n    src.period as s -> tgt then {\r\n      s.start as std ->  tgt.visit_start_date = (src.period.start.toString().substring(0, 10)),  tgt.visit_start_datetime = cast(std, 'dateTime');\r\n      s.end as ed ->  tgt.visit_end_date = (src.period.end.toString().substring(0, 10)),  tgt.visit_end_datetime = cast(ed, 'dateTime');\r\n    };\r\n    src.hospitalization as s -> tgt then {\r\n      s.admitSource as sa -> tgt then {\r\n        sa.coding as sc -> tgt then {\r\n          sc.code as code ->  tgt.admitted_from_concept_id = translate(code, 'http://hl7.org/fhir/uv/omop/ConceptMap/EncounterAdmitSource', 'code'),  tgt.admitted_from_source_value = cast(code, 'string');\r\n        };\r\n      };\r\n      s.dischargeDisposition as sd -> tgt then {\r\n        sd.coding as sc -> tgt then {\r\n          sc.code as code ->  tgt.discharged_to_concept_id = translate(code, 'http://hl7.org/fhir/uv/omop/ConceptMap/EncounterDischargeDisposition', 'code'),  tgt.discharged_to_source_value = cast(code, 'string');\r\n        };\r\n      };\r\n    };\r\n  } "visitOccurrenceMap";\r\n}\r\n\r\n
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: "EncounterVisitMapV4", "title" : "Mapping Encounter resource to VisitOccurrence OMOP Domain V4", "status" : "active", "date" : "2026-11-06T00:33:48+00:00", "publisher" : "HL7 International / Biomedical Research and Regulation", "contact" : [{ "name" : "HL7 International / Biomedical Research and Regulation", "telecom" : [{ "system" : "url", "value" : "http://www.hl7.org/Special/committees/rcrim" }] }], "description" : "This mapping maps FHIR Encounter instances to OMOP Visit Occurence Table objects.", "jurisdiction" : [{ "coding" : [{ "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm", "code" : "001", "display" : "World" }] }], "structure" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/Encounter|4.0.1", "mode" : "source", "alias" : "Encounter" }, { "url" : "http://hl7.org/fhir/uv/omop/StructureDefinition/VisitOccurrence", "mode" : "target", "alias" : "VisitTable" }], "group" : [{ "name" : "VisitOccurrence", "input" : [{ "name" : "src", "type" : "Encounter", "mode" : "source" }, { "name" : "tgt", "type" : "VisitTable", "mode" : "target" }], "rule" : [{ "name" : "visitOccurrenceMap", "source" : [{ "context" : "src", "condition" : "src.period.empty().not()" }], "rule" : [{ "name" : "encounterId", "source" : [{ "context" : "src", "variable" : "s" }], "target" : [{ "context" : "tgt" }], "rule" : [{ "name" : "encounterIdFromIdentifier", "source" : [{ "context" : "s", "element" : "identifier", "variable" : "i" }], "target" : [{ "context" : "tgt" }], "rule" : [{ "name" : "value", "source" : [{ "context" : "i", "element" : "value", "variable" : "id" }], "target" : [{ "context" : "tgt", "element" : "visit_occurrence_id", "transform" : "cast", "parameter" : [{ "valueId" : "id" }, { "valueString" : "integer" }] }] }] }], "documentation" : "OMOP Visit Occurrence ID would be a map from FHIR ID to an external key" }, { "name" : "subject", "source" : [{ "context" : "src", "element" : "subject", "variable" : "subject" }], "target" : [{ "context" : "tgt" }], "rule" : [{ "name" : "reference", "source" : [{ "context" : "subject", "element" : "reference", "variable" : "s" }], "target" : [{ "context" : "tgt", "element" : "person_id", "transform" : "evaluate", "parameter" : [{ "valueString" : "%s.substring(%s.indexOf('/') + 1)" }] }] }], "documentation" : "OMOP Person ID would be a map from the FHIR Encounter Subject reference to an external key" }, { "name" : "class", "source" : [{ "context" : "src", "element" : "class", "variable" : "s" }], "target" : [{ "context" : "tgt" }], "rule" : [{ "name" : "code", "source" : [{ "context" : "s", "element" : "code", "variable" : "a" }], "target" : [{ "context" : "tgt", "element" : "visit_concept_id", "transform" : "translate", "parameter" : [{ "valueId" : "a" }, { "valueString" : "http://hl7.org/fhir/uv/omop/ConceptMap/EncounterClass" }, { "valueString" : "code" }] }, { "context" : "tgt", "element" : "visit_source_value", "transform" : "cast", "parameter" : [{ "valueId" : "a" }, { "valueString" : "string" }] }] 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