<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://vvis.gov.lv/fhir/StructureDefinition/Identifier/VerifiedPersonIdentifier" />
  <version value="1" />
  <name value="VerifiedPersonIdentifier" />
  <status value="active" />
  <fhirVersion value="4.3.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <type value="Identifier" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Identifier" />
  <derivation value="constraint" />
  <differential>
    <element id="Identifier">
      <path value="Identifier" />
      <short value="Verified personal identifier" />
      <definition value="An identifier of the patient - identifies the patient uniquely and unambiguously. Identifier which is provided by a trusted authority, most offen by Office of Citizenship and Migration Affairs." />
      <mustSupport value="true" />
    </element>
    <element id="Identifier.use">
      <path value="Identifier.use" />
      <max value="0" />
    </element>
    <element id="Identifier.type">
      <path value="Identifier.type" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Identifier.type.coding">
      <path value="Identifier.type.coding" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Identifier.type.coding.system">
      <path value="Identifier.type.coding.system" />
      <max value="0" />
    </element>
    <element id="Identifier.type.coding.version">
      <path value="Identifier.type.coding.version" />
      <max value="0" />
    </element>
    <element id="Identifier.type.coding.code">
      <path value="Identifier.type.coding.code" />
      <min value="1" />
      <fixedCode value="1.3.6.1.4.1.38760.3.1.1" />
      <mustSupport value="true" />
    </element>
    <element id="Identifier.type.coding.display">
      <path value="Identifier.type.coding.display" />
      <min value="1" />
      <fixedString value="LV Personas kods" />
      <mustSupport value="true" />
    </element>
    <element id="Identifier.type.coding.userSelected">
      <path value="Identifier.type.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="Identifier.type.text">
      <path value="Identifier.type.text" />
      <max value="0" />
    </element>
    <element id="Identifier.system">
      <path value="Identifier.system" />
      <min value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://vvis.gov.lv/fhir/ValueSet/1.3.6.1.4.1.38760.2.21" />
      </binding>
    </element>
    <element id="Identifier.value">
      <path value="Identifier.value" />
      <short value="Identifier value" />
      <definition value="Person identity number - 11 digits without any dash or space" />
      <min value="1" />
      <example>
        <label value="Latvian personal identity number" />
        <valueString value="11111100000" />
      </example>
      <maxLength value="11" />
      <constraint>
        <key value="IdValueVerified-con1" />
        <severity value="error" />
        <human value="Allowed symbols: [0-9]" />
        <expression value="matches('[0-9]+')" />
      </constraint>
      <mustSupport value="true" />
    </element>
    <element id="Identifier.period">
      <path value="Identifier.period" />
      <max value="0" />
    </element>
    <element id="Identifier.assigner">
      <path value="Identifier.assigner" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>