FHIR to OMOP FHIR IG
1.0.0-ballot - INFORMATIVE 1 - Ballot 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-ballot 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

: Mapping Observation resource to Observation OMOP Domain - JSON Representation

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{
  "resourceType" : "StructureMap",
  "id" : "ObservationMap",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureMap ObservationMap</b></p><a name=\"ObservationMap\"> </a><a name=\"hcObservationMap\"> </a><pre class=\"fml\">\r\n<span style=\"color: #cc00cc\">/// <b>url</b> = </span><span style=\"color: blue\">'http://hl7.org/fhir/uv/omop/StructureMap/ObservationMap'</span>\r\n<span style=\"color: #cc00cc\">/// <b>name</b> = </span><span style=\"color: blue\">'ObservationMap'</span>\r\n<span style=\"color: #cc00cc\">/// <b>title</b> = </span><span style=\"color: blue\">'Mapping Observation resource to  Observation OMOP Domain'</span>\r\n<span style=\"color: #cc00cc\">/// <b>status</b> = </span><span style=\"color: blue\">'draft'</span>\r\n\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"http://hl7.org/fhir/R5/observation.html\" title=\"Observation\">http://hl7.org/fhir/StructureDefinition/Observation</a><span style=\"color: navy\">&quot; </span><b>alias </b>Observation <b>as </b><b>source</b>\r\n<b>uses</b><span style=\"color: navy\"> &quot;</span><a href=\"StructureDefinition-Observation.html\" title=\"Observation OMOP Table\">http://hl7.org/fhir/uv/omop/StructureDefinition/Observation</a><span style=\"color: navy\">&quot; </span><b>alias </b>ObsTable <b>as </b><b>target</b>\r\n\r\n<b>group </b>Observe<span style=\"color: navy\">(</span><b>source</b> <span style=\"color: maroon\">src</span><span style=\"color: navy\"> : </span>Observation, <b>target</b> <span style=\"color: maroon\">tgt</span><span style=\"color: navy\"> : </span>ObsTable<span style=\"color: navy\">)</span><span style=\"color: navy\"> {\r\n</span>  src<b> where </b>('social-history' | 'imaging' | 'survey' | 'exam' | 'therapy' | 'activity' | 'procedure').supersetOf(Observation.category.coding.code)<b> then</b><span style=\"color: navy\"> {\r\n</span>    src.code<b> as </b><span style=\"color: maroon\">s</span><span style=\"color: navy\"><b> -&gt; </b></span><span style=\"color: maroon\">tgt</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      s.coding<b> as </b><span style=\"color: maroon\">sc</span><span style=\"color: navy\"><b> -&gt; </b></span><span style=\"color: maroon\">tgt</span><b> then</b><span style=\"color: navy\"> {\r\n</span>        sc.code<b> as </b><span style=\"color: maroon\">a</span><span style=\"color: navy\"><b> -&gt; </b></span>tgt.observation_concept_id = <span style=\"color: maroon\">a</span><span style=\"color: navy\">;</span>\r\n      <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">src.id as id -&gt; tgt.observation_id = cast(id, &quot;integer&quot;);</span>\r\n    src.effective<span style=\"color: navy\"> : </span>dateTime<b> as </b><span style=\"color: maroon\">a</span><span style=\"color: navy\"><b> -&gt; </b></span> tgt.observation_datetime = <span style=\"color: maroon\">a</span><span style=\"color: navy\">, </span> tgt.observation_date = <b>cast</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">a</span><span style=\"color: navy\">, </span><span style=\"color: blue\">'date'</span><span style=\"color: navy\">)</span><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">src.subject as s -&gt; tgt then {</span>\r\n    src.effective<span style=\"color: navy\"> : </span>instant<b> as </b><span style=\"color: maroon\">einst</span><span style=\"color: navy\"><b> -&gt; </b></span> tgt.observation_datetime = <b>cast</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">einst</span><span style=\"color: navy\">, </span><span style=\"color: blue\">'dateTime'</span><span style=\"color: navy\">)</span><span style=\"color: navy\">, </span> tgt.observation_date = <b>cast</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">einst</span><span style=\"color: navy\">, </span><span style=\"color: blue\">'date'</span><span style=\"color: navy\">)</span><span style=\"color: navy\">;</span>\r\n    src.effective<span style=\"color: navy\"> : </span>Period<b> as </b><span style=\"color: maroon\">s</span><span style=\"color: navy\"><b> -&gt; </b></span><span style=\"color: maroon\">tgt</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      s.start<b> as </b><span style=\"color: maroon\">ss</span><span style=\"color: navy\"><b> -&gt; </b></span> tgt.observation_datetime = <b>cast</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">ss</span><span style=\"color: navy\">, </span><span style=\"color: blue\">'dateTime'</span><span style=\"color: navy\">)</span><span style=\"color: navy\">, </span> tgt.observation_date = <b>cast</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">ss</span><span style=\"color: navy\">, </span><span style=\"color: blue\">'date'</span><span style=\"color: navy\">)</span><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span>\r\n    src.issued<b> as </b><span style=\"color: maroon\">s</span><b> where </b>(s.toDate != src.effectiveDate)<span style=\"color: navy\"><b> -&gt; </b></span>tgt.observation_source_value = <b>cast</b><span style=\"color: navy\">(</span><span style=\"color: maroon\">s</span><span style=\"color: navy\">, </span><span style=\"color: blue\">'string'</span><span style=\"color: navy\">)</span><span style=\"color: navy\">;</span>\r\n    src.value<span style=\"color: navy\"> : </span>Quantity<b> as </b><span style=\"color: maroon\">s</span><span style=\"color: navy\"><b> -&gt; </b></span><span style=\"color: maroon\">tgt</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      s.value<b> as </b><span style=\"color: maroon\">a</span><span style=\"color: navy\"><b> -&gt; </b></span>tgt.value_as_number = <span style=\"color: maroon\">a</span><span style=\"color: navy\">;</span>\r\n      s.unit<b> as </b><span style=\"color: maroon\">b</span><span style=\"color: navy\"><b> -&gt; </b></span>tgt.unit_concept_id = <span style=\"color: maroon\">b</span><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span> <span style=\"color: navy\">// </span><span style=\"color: green\">src.performer as s -&gt; tgt then {</span>\r\n    src.value<span style=\"color: navy\"> : </span>CodeableConcept<b> as </b><span style=\"color: maroon\">s</span><span style=\"color: navy\"><b> -&gt; </b></span><span style=\"color: maroon\">tgt</span><b> then</b><span style=\"color: navy\"> {\r\n</span>      s.coding<b> as </b><span style=\"color: maroon\">sc</span><span style=\"color: navy\"><b> -&gt; </b></span><span style=\"color: maroon\">tgt</span><b> then</b><span style=\"color: navy\"> {\r\n</span>        sc.code<b> as </b><span style=\"color: maroon\">a</span><span style=\"color: navy\"><b> -&gt; </b></span>tgt.value_as_concept_id = <span style=\"color: maroon\">a</span><span style=\"color: navy\">;</span>\r\n      <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span>\r\n    <span style=\"color: navy\">}</span><span style=\"color: navy\">;</span>\r\n    src.value<span style=\"color: navy\"> : </span>string<b> as </b><span style=\"color: maroon\">b</span><span style=\"color: navy\"><b> -&gt; </b></span>tgt.value_as_string = <span style=\"color: maroon\">b</span><span style=\"color: navy\">;</span>\r\n    src.note<b> as </b><span style=\"color: maroon\">d</span><span style=\"color: navy\"><b> -&gt; </b></span>tgt.observation_source_value = <span style=\"color: maroon\">d</span><span style=\"color: navy\">;</span>\r\n  <span style=\"color: navy\">}</span> <i>&quot;OnlyObs&quot;</i><span style=\"color: navy\">;</span>\r\n<span style=\"color: navy\">}\r\n\r\n</span></pre></div>"
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  "version" : "1.0.0-ballot",
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  "title" : "Mapping Observation resource to  Observation OMOP Domain",
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  "date" : "2025-07-29T17:40:15+00:00",
  "publisher" : "HL7 International / Biomedical Research and Regulation",
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  "description" : "This mapping maps FHIR Observation instances that are NOT considered measurements to OMOP Observation Table objects.  Currently, this is done by considering the category code and mapping 'social-history', 'imaging', 'survey', 'exam', 'therapy', 'activity', and 'procedure' Observations.",
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