<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="AHV" />
  <meta>
    <lastUpdated value="2017-05-30T11:17:26.522+02:00" />
  </meta>
  <url value="https://stu3.simplifier.net/CBFHIR/StructureDefinition/v1/AHV" />
  <name value="V1.Patient.AHV" />
  <status value="draft" />
  <date value="2017-05-29T15:52:17.560023+02:00" />
  <description value="AHV" />
  <fhirVersion value="3.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="Patient" />
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element>
      <path value="Extension.url" />
      <fixedUri value="https://stu3.simplifier.net/CBFHIR/StructureDefinition/v1/AHV" />
    </element>
    <element id="Patient.AHV[x]">
      <path value="Extension.valueString" />
      <sliceName value="AHV" />
      <short value="AHV/AVS number" />
      <definition value="The AHV/AVS is the main pillar of old-age and survivors' pensions in Switzerland (1st pillar). The AHV is compulsory and is intended to cover the vital needs of an insured person in the event of retirement or death." />
      <comment value="13 digits in format xxx.xxxx.xxxx.xx" />
      <type>
        <code value="string" />
      </type>
    </element>
  </differential>
</StructureDefinition>