Data Management with FHIR
0.1.0 - ci-build

Data Management with FHIR - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

## Logical Model: OMOPDrugEra - XML Profile

Draft as of 2025-10-23

XML representation of the OMOPDrugEra logical model.

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    <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 lélément">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="Information about the use of the element">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="Minimum and Maximum # of times the element can appear in the 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="Reference to the type of the element">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="Additional information about the element">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, " 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">Instances of this logical model can be the target of a Reference</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="Reference to another Resource" 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="Reference to another Resource" 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="Legend for this format"><img src="data:image/png;base64, " alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
      </text>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics">
        <valueCode value="can-be-target"/>
      </extension>
      <url
           value="https://interop.aphp.fr/ig/fhir/dm/StructureDefinition/OMOPDrugEra"/>
      <version value="0.1.0"/>
      <name value="OMOPDrugEra"/>
      <title value="Drug Era OMOP Table"/>
      <status value="draft"/>
      <date value="2025-10-23T20:49:03+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"/>
          <display value="France"/>
        </coding>
      </jurisdiction>
      <fhirVersion value="4.0.1"/>
      <kind value="logical"/>
      <abstract value="false"/>
      <type
            value="https://interop.aphp.fr/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"/>
          <max value="*"/>
          <base>
            <path value="Base"/>
            <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"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="https://interop.aphp.fr/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://interop.aphp.fr/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://interop.aphp.fr/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://interop.aphp.fr/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>