<?xml version="1.0" encoding="UTF-8"?>

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="OMOPDrugEra"/>
  <text>
    <status value="extensions"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Narratif généré : DéfinitionStructure OMOPDrugEra</b></p><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Le nom logique de l'élément">Nom</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Informations sur l'utilisation de l'élément">Drapeaux</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Nombre minimum et maximum de fois que l'élément peut apparaître dans l'instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Référence au type de l'élément">Type</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Informations supplémentaires sur l'élément">Description et contraintes</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra" title="A Drug Era is defined as a span of time when the Person is assumed to be exposed to a particular active ingredient. A Drug Era is not the same as a Drug Exposure: Exposures are individual records corresponding to the source when Drug was delivered to the Person, while successive periods of Drug Exposures are combined under certain rules to produce continuous Drug Eras.">OMOPDrugEra</a><a name="OMOPDrugEra"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://build.fhir.org/types.html#Base">Base</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Drug Era OMOP Table<br/><span style="font-weight:bold">Les instances de ce modèle logique peuvent être la cible d'une référence</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Type de donnée primitif" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra.drug-era-id" title="Drug Era Identifier">drug_era_id</a><a name="OMOPDrugEra.drug_era_id"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#integer">integer</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Drug Era Identifier</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_reference.png" alt="." style="background-color: white; background-color: inherit" title="Référence à une autre ressource" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra.person-id" title="Person">person_id</a><a name="OMOPDrugEra.person_id"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/references.html">Reference</a>(<a href="StructureDefinition-OMOPPerson.html">Person OMOP Table</a>)</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Person</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_reference.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Référence à une autre ressource" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra.drug-concept-id" title="The Concept Id representing the specific drug ingredient.">drug_concept_id</a><a name="OMOPDrugEra.drug_concept_id"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/references.html">Reference</a>(<a href="StructureDefinition-OMOPConcept.html">Concept OMOP Table</a>)</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Drug</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Type de donnée primitif" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra.drug-era-start-date" title="Drug Era Start Date">drug_era_start_date</a><a name="OMOPDrugEra.drug_era_start_date"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#date">date</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Drug Era Start Date</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Type de donnée primitif" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra.drug-era-end-date" title="Drug Era End Date">drug_era_end_date</a><a name="OMOPDrugEra.drug_era_end_date"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#date">date</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Drug Era End Date</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Type de donnée primitif" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra.drug-exposure-count" title="Drug Exposure Count">drug_exposure_count</a><a name="OMOPDrugEra.drug_exposure_count"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#integer">integer</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Drug Exposure Count</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Type de donnée primitif" class="hierarchy"/> <a href="StructureDefinition-OMOPDrugEra-definitions.html#OMOPDrugEra.gap-days" title="Gap Days">gap_days</a><a name="OMOPDrugEra.gap_days"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#integer">integer</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Gap Days</td></tr>
<tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Légende pour ce format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/> Documentation pour ce format</a></td></tr></table></div>
  </text>
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    <valueCode value="can-be-target"/>
  </extension>
  <url value="https://aphp.github.io/IG-fhir-dm/StructureDefinition/OMOPDrugEra"/>
  <version value="0.1.0"/>
  <name value="OMOPDrugEra"/>
  <title value="Drug Era OMOP Table"/>
  <status value="draft"/>
  <date value="2026-04-16T14:35:38+00:00"/>
  <publisher value="AP-HP"/>
  <contact>
    <name value="AP-HP"/>
    <telecom>
      <system value="url"/>
      <value value="https://aphp.fr"/>
    </telecom>
  </contact>
  <description value="A Drug Era is defined as a span of time when the Person is assumed to be exposed to a particular active ingredient. A Drug Era is not the same as a Drug Exposure: Exposures are individual records corresponding to the source when Drug was delivered to the Person, while successive periods of Drug Exposures are combined under certain rules to produce continuous Drug Eras."/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="FR"/>
    </coding>
  </jurisdiction>
  <fhirVersion value="4.0.1"/>
  <kind value="logical"/>
  <abstract value="false"/>
  <type value="https://aphp.github.io/IG-fhir-dm/StructureDefinition/OMOPDrugEra"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Base"/>
  <derivation value="specialization"/>
  <snapshot>
    <extension url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="4.0.1"/>
    </extension>
    <element id="OMOPDrugEra">
      <path value="OMOPDrugEra"/>
      <short value="Drug Era OMOP Table"/>
      <definition value="A Drug Era is defined as a span of time when the Person is assumed to be exposed to a particular active ingredient. A Drug Era is not the same as a Drug Exposure: Exposures are individual records corresponding to the source when Drug was delivered to the Person, while successive periods of Drug Exposures are combined under certain rules to produce continuous Drug Eras."/>
      <min value="0"/>
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        <min value="0"/>
        <max value="*"/>
      </base>
      <isModifier value="false"/>
    </element>
    <element id="OMOPDrugEra.drug-era-id">
      <path value="OMOPDrugEra.drug_era_id"/>
      <short value="Drug Era Identifier"/>
      <definition value="Drug Era Identifier"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OMOPDrugEra.drug_era_id"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
    </element>
    <element id="OMOPDrugEra.person-id">
      <path value="OMOPDrugEra.person_id"/>
      <short value="Person"/>
      <definition value="Person"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OMOPDrugEra.person_id"/>
        <min value="1"/>
        <max value="1"/>
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      <type>
        <code value="Reference"/>
        <targetProfile value="https://aphp.github.io/IG-fhir-dm/StructureDefinition/OMOPPerson"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-concept-id">
      <path value="OMOPDrugEra.drug_concept_id"/>
      <short value="Drug"/>
      <definition value="The Concept Id representing the specific drug ingredient."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OMOPDrugEra.drug_concept_id"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile value="https://aphp.github.io/IG-fhir-dm/StructureDefinition/OMOPConcept"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-era-start-date">
      <path value="OMOPDrugEra.drug_era_start_date"/>
      <short value="Drug Era Start Date"/>
      <definition value="Drug Era Start Date"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OMOPDrugEra.drug_era_start_date"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="date"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-era-end-date">
      <path value="OMOPDrugEra.drug_era_end_date"/>
      <short value="Drug Era End Date"/>
      <definition value="Drug Era End Date"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="OMOPDrugEra.drug_era_end_date"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="date"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-exposure-count">
      <path value="OMOPDrugEra.drug_exposure_count"/>
      <short value="Drug Exposure Count"/>
      <definition value="Drug Exposure Count"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OMOPDrugEra.drug_exposure_count"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
    </element>
    <element id="OMOPDrugEra.gap-days">
      <path value="OMOPDrugEra.gap_days"/>
      <short value="Gap Days"/>
      <definition value="Gap Days"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="OMOPDrugEra.gap_days"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element id="OMOPDrugEra">
      <path value="OMOPDrugEra"/>
      <short value="Drug Era OMOP Table"/>
      <definition value="A Drug Era is defined as a span of time when the Person is assumed to be exposed to a particular active ingredient. A Drug Era is not the same as a Drug Exposure: Exposures are individual records corresponding to the source when Drug was delivered to the Person, while successive periods of Drug Exposures are combined under certain rules to produce continuous Drug Eras."/>
    </element>
    <element id="OMOPDrugEra.drug-era-id">
      <path value="OMOPDrugEra.drug_era_id"/>
      <short value="Drug Era Identifier"/>
      <definition value="Drug Era Identifier"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="integer"/>
      </type>
    </element>
    <element id="OMOPDrugEra.person-id">
      <path value="OMOPDrugEra.person_id"/>
      <short value="Person"/>
      <definition value="Person"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <targetProfile value="https://aphp.github.io/IG-fhir-dm/StructureDefinition/OMOPPerson"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-concept-id">
      <path value="OMOPDrugEra.drug_concept_id"/>
      <short value="Drug"/>
      <definition value="The Concept Id representing the specific drug ingredient."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <targetProfile value="https://aphp.github.io/IG-fhir-dm/StructureDefinition/OMOPConcept"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-era-start-date">
      <path value="OMOPDrugEra.drug_era_start_date"/>
      <short value="Drug Era Start Date"/>
      <definition value="Drug Era Start Date"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="date"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-era-end-date">
      <path value="OMOPDrugEra.drug_era_end_date"/>
      <short value="Drug Era End Date"/>
      <definition value="Drug Era End Date"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="date"/>
      </type>
    </element>
    <element id="OMOPDrugEra.drug-exposure-count">
      <path value="OMOPDrugEra.drug_exposure_count"/>
      <short value="Drug Exposure Count"/>
      <definition value="Drug Exposure Count"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="integer"/>
      </type>
    </element>
    <element id="OMOPDrugEra.gap-days">
      <path value="OMOPDrugEra.gap_days"/>
      <short value="Gap Days"/>
      <definition value="Gap Days"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="integer"/>
      </type>
    </element>
  </differential>
</StructureDefinition>