FHIR to OMOP FHIR IG, published by HL7 International / Biomedical Research and Regulation. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-omop-ig/ and changes regularly. See the Directory of published versions
: Encounter Class codes to OMOP
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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
# - resource -------------------------------------------------------------------
a fhir:ConceptMap ;
fhir:nodeRole fhir:treeRoot ;
fhir:id [ fhir:v "EncounterClass"] ; #
fhir:language [ fhir:v "en"] ; #
fhir:text [
fhir:status [ fhir:v "generated" ] ;
fhir:div [ fhir:v "<div xml:lang=\"en\" xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\"><p class=\"res-header-id\"><b>Generated Narrative: ConceptMap EncounterClass</b></p><a name=\"EncounterClass\"> </a><a name=\"hcEncounterClass\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Language: en</p></div><p>Mapping from (not specified) to (not specified)</p><br/><p><b>Group 1 </b>Mapping from <a href=\"http://terminology.hl7.org/7.1.0/CodeSystem-v3-ActCode.html\">ActCode</a> to <code>https://fhir-terminology.ohdsi.org</code> (OHDSI Standardized Vocabularies)</p><table class=\"grid\"><tr><td><b>Source Code</b></td><td><b>Relationship</b></td><td><b>Target Code</b></td><td><b>Comment</b></td></tr><tr><td>IMP (inpatient encounter)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>9201 (Inpatient Visit)</td><td/></tr><tr><td>AMB (ambulatory)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>9202 (Outpatient Visit)</td><td/></tr><tr><td>OBSENC (observation encounter)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#source-is-broader-than-target\" title=\"source-is-broader-than-target\">is broader than</a></td><td>262 (Emergency Room and Inpatient Visit)</td><td>The source code does not necessarily mean that the patient has moved to an inpatient visit</td></tr><tr><td>EMER (emergency)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>9203 (Emergency Room Visit)</td><td/></tr><tr><td>VR (virtual)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>722455 (Telehealth)</td><td/></tr><tr><td>HH (home health)</td><td><a href=\"http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent\" title=\"equivalent\">is equivalent to</a></td><td>581476 (Home Visit)</td><td/></tr></table></div>"^^rdf:XMLLiteral ]
] ; #
fhir:extension ( [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-wg> ] ;
fhir:value [
a fhir:Code ;
fhir:v "brr" ]
] [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status> ] ;
fhir:value [
a fhir:Code ;
fhir:v "informative" ;
( fhir:extension [
fhir:url [
fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom> ] ;
fhir:value [
a fhir:Canonical ;
fhir:v "http://hl7.org/fhir/uv/omop/ImplementationGuide/hl7.fhir.uv.omop"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/uv/omop/ImplementationGuide/hl7.fhir.uv.omop> ] ] ) ]
] ) ; #
fhir:url [
fhir:v "http://hl7.org/fhir/uv/omop/ConceptMap/EncounterClass"^^xsd:anyURI ;
fhir:l <http://hl7.org/fhir/uv/omop/ConceptMap/EncounterClass>
] ; #
fhir:version [ fhir:v "1.0.0"] ; #
fhir:name [ fhir:v "EncounterClassOMOPMapping"] ; #
fhir:title [ fhir:v "Encounter Class codes to OMOP"] ; #
fhir:status [ fhir:v "active"] ; #
fhir:experimental [ fhir:v true] ; #
fhir:date [ fhir:v "2026-04-02T22:51:15+00:00"^^xsd:dateTime] ; #
fhir:publisher [ fhir:v "HL7 International / Biomedical Research and Regulation"] ; #
fhir:contact ( [
fhir:name [ fhir:v "HL7 International / Biomedical Research and Regulation" ] ;
( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/rcrim" ] ] )
] ) ; #
fhir:description [ fhir:v "An example mapping of FHIR Encounter class codes to OMOP concept ids"] ; #
fhir:jurisdiction ( [
( fhir:coding [
fhir:system [
fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ;
fhir:l <http://unstats.un.org/unsd/methods/m49/m49.htm> ] ;
fhir:code [ fhir:v "001" ] ;
fhir:display [ fhir:v "World" ] ] )
] ) ; #
fhir:group ( [
fhir:source [
fhir:v "http://terminology.hl7.org/CodeSystem/v3-ActCode"^^xsd:anyURI ;
fhir:l <http://terminology.hl7.org/CodeSystem/v3-ActCode> ] ;
fhir:target [
fhir:v "https://fhir-terminology.ohdsi.org"^^xsd:anyURI ;
fhir:l <https://fhir-terminology.ohdsi.org> ] ;
( fhir:element [
fhir:code [ fhir:v "IMP" ] ;
( fhir:target [
fhir:code [ fhir:v "9201" ] ;
fhir:display [ fhir:v "Inpatient Visit" ] ;
fhir:relationship [ fhir:v "equivalent" ] ] ) ] [
fhir:code [ fhir:v "AMB" ] ;
( fhir:target [
fhir:code [ fhir:v "9202" ] ;
fhir:display [ fhir:v "Outpatient Visit" ] ;
fhir:relationship [ fhir:v "equivalent" ] ] ) ] [
fhir:code [ fhir:v "OBSENC" ] ;
( fhir:target [
fhir:code [ fhir:v "262" ] ;
fhir:display [ fhir:v "Emergency Room and Inpatient Visit" ] ;
fhir:relationship [ fhir:v "source-is-broader-than-target" ] ;
fhir:comment [ fhir:v "The source code does not necessarily mean that the patient has moved to an inpatient visit" ] ] ) ] [
fhir:code [ fhir:v "EMER" ] ;
( fhir:target [
fhir:code [ fhir:v "9203" ] ;
fhir:display [ fhir:v "Emergency Room Visit" ] ;
fhir:relationship [ fhir:v "equivalent" ] ] ) ] [
fhir:code [ fhir:v "VR" ] ;
( fhir:target [
fhir:code [ fhir:v "722455" ] ;
fhir:display [ fhir:v "Telehealth" ] ;
fhir:relationship [ fhir:v "equivalent" ] ] ) ] [
fhir:code [ fhir:v "HH" ] ;
( fhir:target [
fhir:code [ fhir:v "581476" ] ;
fhir:display [ fhir:v "Home Visit" ] ;
fhir:relationship [ fhir:v "equivalent" ] ] ) ] )
] ) . #
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