FHIR to OMOP FHIR IG
1.0.0 - INFORMATIVE 1 International flag

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 Admission Source codes to OMOP

Page standards status: Informative

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<ConceptMap xmlns="http://hl7.org/fhir">
  <id value="EncounterAdmitSource"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en"><p class="res-header-id"><b>Generated Narrative: ConceptMap EncounterAdmitSource</b></p><a name="EncounterAdmitSource"> </a><a name="hcEncounterAdmitSource"> </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-admit-source.html">Admit source</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>hosp-trans (Transferred from other hospital)</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td>38004515 (Hospital)</td><td/></tr><tr><td>emd (From accident/emergency department)</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td>8670 (Emergency Room - Hospital)</td><td/></tr><tr><td>outp (From outpatient department)</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>8756 (Outpatient Hospital)</td><td>The source code implies any outpatient facility and not just a hospital</td></tr><tr><td>born (Born in hospital)</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#source-is-narrower-than-target" title="source-is-narrower-than-target">is narrower than</a></td><td>38004515 (Hospital)</td><td/></tr><tr><td>gp (General Practitioner referral)</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#source-is-narrower-than-target" title="source-is-narrower-than-target">is narrower than</a></td><td>8940 (Office)</td><td/></tr><tr><td>mp (Medical Practitioner/physician referral)</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#source-is-narrower-than-target" title="source-is-narrower-than-target">is narrower than</a></td><td>8940 (Office)</td><td/></tr><tr><td>nursing (From nursing home)</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td>8676 (Nursing Facility)</td><td/></tr><tr><td>psych (From psychiatric hospital)</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>8971 (Inpatient Psychiatric Facility)</td><td>The source code does not imply an inpatient facility</td></tr><tr><td>rehab (From rehabilitation facility)</td><td><a href="http://hl7.org/fhir/R5/codesystem-concept-map-relationship.html#equivalent" title="equivalent">is equivalent to</a></td><td>38004254 (Rehabilition Clinic/Center)</td><td/></tr><tr><td>other</td><td colspan="3" style="background-color: #efefef">(not mapped)</td></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="brr"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="informative">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/uv/omop/ImplementationGuide/hl7.fhir.uv.omop"/>
      </extension>
    </valueCode>
  </extension>
  <url value="http://hl7.org/fhir/uv/omop/ConceptMap/EncounterAdmitSource"/>
  <version value="1.0.0"/>
  <name value="EncounterAdmitSourceOMOPMapping"/>
  <title value="Encounter Admission Source codes to OMOP"/>
  <status value="active"/>
  <experimental value="true"/>
  <date value="2026-04-02T22:51:15+00:00"/>
  <publisher value="HL7 International / Biomedical Research and Regulation"/>
  <contact>
    <name value="HL7 International / Biomedical Research and Regulation"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/rcrim"/>
    </telecom>
  </contact>
  <description
               value="An example mapping of FHIR Encounter admission source codes to OMOP concept ids"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <group>
    <source value="http://terminology.hl7.org/CodeSystem/admit-source"/>
    <target value="https://fhir-terminology.ohdsi.org"/>
    <element>
      <code value="hosp-trans"/>
      <target>
        <code value="38004515"/>
        <display value="Hospital"/>
        <relationship value="equivalent"/>
      </target>
    </element>
    <element>
      <code value="emd"/>
      <target>
        <code value="8670"/>
        <display value="Emergency Room - Hospital"/>
        <relationship value="equivalent"/>
      </target>
    </element>
    <element>
      <code value="outp"/>
      <target>
        <code value="8756"/>
        <display value="Outpatient Hospital"/>
        <relationship value="source-is-broader-than-target"/>
        <comment
                 value="The source code implies any outpatient facility and not just a hospital"/>
      </target>
    </element>
    <element>
      <code value="born"/>
      <target>
        <code value="38004515"/>
        <display value="Hospital"/>
        <relationship value="source-is-narrower-than-target"/>
      </target>
    </element>
    <element>
      <code value="gp"/>
      <target>
        <code value="8940"/>
        <display value="Office"/>
        <relationship value="source-is-narrower-than-target"/>
      </target>
    </element>
    <element>
      <code value="mp"/>
      <target>
        <code value="8940"/>
        <display value="Office"/>
        <relationship value="source-is-narrower-than-target"/>
      </target>
    </element>
    <element>
      <code value="nursing"/>
      <target>
        <code value="8676"/>
        <display value="Nursing Facility"/>
        <relationship value="equivalent"/>
      </target>
    </element>
    <element>
      <code value="psych"/>
      <target>
        <code value="8971"/>
        <display value="Inpatient Psychiatric Facility"/>
        <relationship value="source-is-broader-than-target"/>
        <comment
                 value="The source code does not imply an inpatient facility"/>
      </target>
    </element>
    <element>
      <code value="rehab"/>
      <target>
        <code value="38004254"/>
        <display value="Rehabilition Clinic/Center"/>
        <relationship value="equivalent"/>
      </target>
    </element>
    <element>
      <code value="other"/>
      <noMap value="true"/>
    </element>
  </group>
</ConceptMap>