<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="zd-coverage" />
  <url value="http://zorgdomein.nl/fhir/StructureDefinition/zd-coverage" />
  <version value="1" />
  <name value="ZD Coverage" />
  <status value="draft" />
  <date value="2017-03-01T12:00:00+01:00" />
  <publisher value="ZorgDomein" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="https://zorgdomein.nl" />
    </telecom>
    <telecom>
      <system value="email" />
      <value value="io@zorgdomein.nl" />
    </telecom>
  </contact>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Coverage" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Coverage" />
  <derivation value="constraint" />
  <differential>
    <element id="Coverage">
      <path value="Coverage" />
      <mustSupport value="true" />
    </element>
    <element id="Coverage.identifier">
      <path value="Coverage.identifier" />
      <short value="The policy number of the insurance of the patient (fallback)" />
    </element>
    <element id="Coverage.subscriber">
      <path value="Coverage.subscriber" />
      <short value="The insured person" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Coverage.subscriberId">
      <path value="Coverage.subscriberId" />
      <short value="The policy number of the insurance of the patient" />
      <mustSupport value="true" />
    </element>
    <element id="Coverage.payor">
      <path value="Coverage.payor" />
      <short value="The insurance company issuing the policy" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <constraint>
        <key value="zd-cov-1" />
        <severity value="error" />
        <human value="At least an identifier or a display value for the insurance company must be present" />
        <expression value="identifier.exists() or display.exists()" />
      </constraint>
      <mustSupport value="true" />
    </element>
    <element id="Coverage.payor.identifier">
      <path value="Coverage.payor.identifier" />
      <short value="UZOVI-code of insurance company" />
    </element>
    <element id="Coverage.payor.identifier.system">
      <path value="Coverage.payor.identifier.system" />
      <min value="1" />
      <fixedUri value="http://nictiz.nl/fhir/NamingSystem/uzovi" />
    </element>
    <element id="Coverage.payor.identifier.value">
      <path value="Coverage.payor.identifier.value" />
      <min value="1" />
    </element>
    <element id="Coverage.payor.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Coverage.payor.display" />
      <short value="Name of insurance company" />
    </element>
  </differential>
</StructureDefinition>