<Patient xmlns="http://hl7.org/fhir">
  <name>
    <family value="Burnham" />
    <given value="Michaela" />
  </name>
  <extension url="https://example.org/fhir/StructureDefinition/MySpeciesExtension">
    <valueCodeableConcept>
      <coding>
        <system value="http://fhir.ufp/CodeSystem/species" />
        <code value="VK" />
        <display value="Vulcan" />
      </coding>
    </valueCodeableConcept>
  </extension>
  <gender value="female" />
  <address>
    <extension url="http://fhir.ufp/StructureDefinition/planet">
      <valueString value="Erde" />
    </extension>
    <line value="Milchstrasse 24" />
    <city value="Spöck" />
  </address>
</Patient>