<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://pub.regionstockholm.se/fhir/StructureDefinition/StockholmPatient" />
  <version value="2.0.0" />
  <name value="StockholmPatient" />
  <status value="draft" />
  <experimental value="false" />
  <date value="2026-03-17" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.se/fhir/ig/base/StructureDefinition/SEBasePatient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient.identifier">
      <path value="Patient.identifier" />
      <slicing>
        <rules value="closed" />
      </slicing>
    </element>
    <element id="Patient.identifier:personnummer">
      <path value="Patient.identifier" />
      <sliceName value="personnummer" />
    </element>
    <element id="Patient.identifier:personnummer.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
      <constraint>
        <key value="personnummer-invariant" />
        <severity value="error" />
        <human value="All identifiers that identifies as personnummer SHALL comply with the specified regex:  ^(18|19|[2-9]\d)\d{2}(0[1-9]|1[012])([0-2]\d|3[0-1])\d{4}&quot;" />
        <expression value="$this.toString().matches('^(18|19|[2-9]\\d)\\d{2}(0[1-9]|1[012])([0-2]\\d|3[0-1])\\d{4}')" />
      </constraint>
    </element>
    <element id="Patient.identifier:samordningsnummer">
      <path value="Patient.identifier" />
      <sliceName value="samordningsnummer" />
    </element>
    <element id="Patient.identifier:samordningsnummer.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
      <constraint>
        <key value="samordningsnummer-invariant" />
        <severity value="error" />
        <human value="All identifiers that identifies as samordningsnummer SHALL comply with the specified regex: ^(18|19|[2-9]\d)\d{2}(0[1-9]|1[012])([0-8]\d|9[0-1])\d{4}&quot;" />
        <expression value="$this.toString().matches('^(18|19|[2-9]\\d)\\d{2}(0[1-9]|1[012])([0-8]\\d|9[0-1])\\d{4}')" />
      </constraint>
    </element>
    <element id="Patient.identifier:nationelltReservnummer">
      <path value="Patient.identifier" />
      <sliceName value="nationelltReservnummer" />
    </element>
    <element id="Patient.identifier:nationelltReservnummer.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
      <constraint>
        <key value="nationelltReservnummer-invariant" />
        <severity value="error" />
        <human value="All identifiers that identifies as nationellt reservnummer SHALL comply with the specified regex: ^([0-9]{8})-?([A-Z&amp;&amp;[^IOQVW]]{2}[0-9]{2}|[A-Z&amp;&amp;[^IOQVW]]{3}[0-9]{1})$" />
        <expression value="$this.toString().matches('^([0-9]{8})-?([A-Z&amp;&amp;[^IOQVW]]{2}[0-9]{2}|[A-Z&amp;&amp;[^IOQVW]]{3}[0-9]{1})$')" />
      </constraint>
    </element>
    <element id="Patient.identifier:ehrid">
      <path value="Patient.identifier" />
      <sliceName value="ehrid" />
      <definition value="An identifier for this patient in an EHR system." />
    </element>
    <element id="Patient.identifier:ehrid.system">
      <path value="Patient.identifier.system" />
      <min value="1" />
      <patternUri value="https://uid.regionstockholm.se/*" />
      <example>
        <label value="Ehrid for patient in specific (logical) EHR system" />
        <valueUri value="https://uid.regionstockholm.se/openehr/ehrid" />
      </example>
    </element>
    <element id="Patient.identifier:ehrid.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
    </element>
    <element id="Patient.identifier:regionStockholmReservnummer">
      <path value="Patient.identifier" />
      <sliceName value="regionStockholmReservnummer" />
    </element>
    <element id="Patient.identifier:regionStockholmReservnummer.system">
      <path value="Patient.identifier.system" />
      <min value="1" />
      <patternUri value="https://uid.regionstockholm.se/reservnummer" />
    </element>
    <element id="Patient.identifier:regionStockholmReservnummer.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>