<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ckd-procedure" />
  <url value="http://example.org/StructureDefinition/ckd-procedure" />
  <version value="1.0.0" />
  <name value="CKDProcedure" />
  <title value="CKD Procedure" />
  <description value="A profile representing a medical procedure relevant to chronic kidney disease (CKD) management, such as diagnostic tests, treatments, or interventions." />
  <fhirVersion value="5.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Procedure" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Procedure" />
  <derivation value="constraint" />
  <differential>
    <element id="Procedure.id">
      <path value="Procedure.id" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.status">
      <path value="Procedure.status" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.category">
      <path value="Procedure.category" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.code">
      <path value="Procedure.code" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.subject">
      <path value="Procedure.subject" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.encounter">
      <path value="Procedure.encounter" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.performer">
      <path value="Procedure.performer" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.reason">
      <path value="Procedure.reason" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.complication">
      <path value="Procedure.complication" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.note">
      <path value="Procedure.note" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.focalDevice">
      <path value="Procedure.focalDevice" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>