<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://incentergy.de/fhir/StructureDefinition/MyPatient" />
  <name value="GermanPatient" />
  <status value="draft" />
  <date value="2023-03-24T14:10:30.5499231+00:00" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient.identifier">
      <path value="Patient.identifier" />
      <slicing>
        <description value="This is the german EGK." />
        <rules value="open" />
      </slicing>
    </element>
    <element id="Patient.identifier:EGK">
      <path value="Patient.identifier" />
      <sliceName value="EGK" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Patient.identifier:EGK.system">
      <path value="Patient.identifier.system" />
      <fixedUri value="http://incentergy.de/identifier/patient/EGK" />
    </element>
    <element id="Patient.identifier:EGK.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
      <constraint>
        <key value="versichtertennummer" />
        <severity value="error" />
        <human value="The egk versichertennummer has to be a letter and than 9 digits" />
        <expression value="matches('^[A-Z][0-9]{9}$')" />
      </constraint>
    </element>
    <element id="Patient.name">
      <path value="Patient.name" />
      <slicing>
        <discriminator>
          <type value="profile" />
          <path value="resolve()" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Patient.name:geburtsname">
      <path value="Patient.name" />
      <sliceName value="geburtsname" />
      <min value="1" />
      <max value="1" />
      <constraint>
        <key value="profile" />
        <severity value="error" />
        <human value="profile must be set" />
        <xpath value="profile/@value == 'http://www.incentergy.de/Geburtsname'" />
      </constraint>
    </element>
  </differential>
</StructureDefinition>