<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="patientexercise-profile" />
  <url value="http://fhir.xt.dev/StructureDefinition/PatientExercise" />
  <version value="0.0.2" />
  <name value="PatientExercise" />
  <status value="draft" />
  <date value="2026-07-20T18:14:48+02:00" />
  <publisher value="x-tention Informationstechnologie GmbH" />
  <contact>
    <telecom>
      <system value="email" />
      <value value="fhir.profiling@x-tention.com" />
      <use value="work" />
    </telecom>
  </contact>
  <description value="This procedure is the documentation of a patient performing an exercise (or planning to). The exercise may be physical (e.g. push-ups) or mental (e.g. meditation)." />
  <copyright value="x-tention Informationstechnologie GmbH" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Procedure" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Procedure" />
  <derivation value="constraint" />
  <differential>
    <element id="Procedure.meta">
      <path value="Procedure.meta" />
    </element>
    <element id="Procedure.meta.tag">
      <path value="Procedure.meta.tag" />
      <definition value="Tags applied to this resource. May e.g. be used to identify the emotional context of the exercise (Zuordnung zu &quot;Gefühle&quot;)." />
    </element>
    <element id="Procedure.instantiatesUri">
      <path value="Procedure.instantiatesUri" />
      <definition value="The URL pointing to the details in the CMS describing how to perform the exercise." />
      <max value="1" />
    </element>
    <element id="Procedure.partOf">
      <path value="Procedure.partOf" />
      <max value="0" />
    </element>
    <element id="Procedure.status">
      <path value="Procedure.status" />
      <short value="preparation | completed" />
      <definition value="A code specifying the state of the procedure. For a patient exercise, only &quot;preparation&quot; and &quot;completed&quot; are supported." />
      <constraint>
        <key value="perpatex-1" />
        <severity value="error" />
        <human value="The status must be one of preparation, completed" />
        <expression value="$this.exists() and ($this = 'preparation' or $this = 'completed')" />
      </constraint>
    </element>
    <element id="Procedure.category">
      <path value="Procedure.category" />
      <min value="1" />
    </element>
    <element id="Procedure.category.coding">
      <path value="Procedure.category.coding" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Procedure.category.coding.system">
      <path value="Procedure.category.coding.system" />
      <min value="1" />
      <fixedUri value="http://fhir.xt.dev/CodeSystem/TaskTypes" />
    </element>
    <element id="Procedure.category.coding.version">
      <path value="Procedure.category.coding.version" />
      <max value="0" />
    </element>
    <element id="Procedure.category.coding.code">
      <path value="Procedure.category.coding.code" />
      <min value="1" />
      <fixedCode value="patexercise" />
    </element>
    <element id="Procedure.category.coding.userSelected">
      <path value="Procedure.category.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="Procedure.category.text">
      <path value="Procedure.category.text" />
      <max value="0" />
    </element>
    <element id="Procedure.code">
      <path value="Procedure.code" />
      <short value="Exercise Topic" />
      <definition value="A code identifying the topic of the patient exercise that was performed (&quot;Themenbereich&quot;)." />
      <min value="1" />
    </element>
    <element id="Procedure.code.coding">
      <path value="Procedure.code.coding" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Procedure.code.coding.system">
      <path value="Procedure.code.coding.system" />
      <min value="1" />
    </element>
    <element id="Procedure.code.coding.code">
      <path value="Procedure.code.coding.code" />
      <min value="1" />
    </element>
    <element id="Procedure.subject">
      <path value="Procedure.subject" />
      <definition value="Literal reference (Patient/abcdef) pointing to the patient resource." />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
        <aggregation value="referenced" />
      </type>
    </element>
    <element id="Procedure.subject.reference">
      <path value="Procedure.subject.reference" />
      <min value="1" />
    </element>
    <element id="Procedure.subject.type">
      <path value="Procedure.subject.type" />
      <fixedUri value="Patient" />
    </element>
    <element id="Procedure.performed[x]">
      <path value="Procedure.performed[x]" />
      <definition value="Date and time when the excerise was completed." />
      <type>
        <code value="dateTime" />
      </type>
    </element>
    <element id="Procedure.recorder">
      <path value="Procedure.recorder" />
      <definition value="Individual who recorded the record and takes responsibility for its content. May be used in future to allow professionals or representatives to document the patient's exercise for them." />
    </element>
    <element id="Procedure.asserter">
      <path value="Procedure.asserter" />
      <max value="0" />
    </element>
    <element id="Procedure.performer">
      <path value="Procedure.performer" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Procedure.performer.function">
      <path value="Procedure.performer.function" />
      <max value="0" />
    </element>
    <element id="Procedure.performer.actor">
      <path value="Procedure.performer.actor" />
      <short value="The reference to the performing patient" />
      <definition value="Literal reference (Patient/abcdef) pointing to the patient resource. A PatientExercise is always performed by the patient themself." />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
        <aggregation value="referenced" />
      </type>
    </element>
    <element id="Procedure.performer.actor.reference">
      <path value="Procedure.performer.actor.reference" />
      <min value="1" />
    </element>
    <element id="Procedure.performer.actor.type">
      <path value="Procedure.performer.actor.type" />
      <fixedUri value="Patient" />
    </element>
    <element id="Procedure.bodySite">
      <path value="Procedure.bodySite" />
      <max value="0" />
    </element>
    <element id="Procedure.outcome">
      <path value="Procedure.outcome" />
      <definition value="Was the exercise performed succesfully? Must be documented if the status is completed." />
      <binding>
        <strength value="required" />
      </binding>
    </element>
    <element id="Procedure.outcome.coding">
      <path value="Procedure.outcome.coding" />
      <definition value="For succesful execution, use &quot;385669000&quot;. If execution was attempted, but could not be performed, use &quot;385671000&quot;. If parts of the exercise were performed succesfully, use &quot;385670004&quot;." />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Procedure.outcome.text">
      <path value="Procedure.outcome.text" />
      <short value="User Explanation of Outcome" />
      <definition value="Free text explanation by the patient how the exercise outcome can be interpreted. For a partial success, e.g. how many of the prescribed repetitions were executed.&#xD;&#xA;Note that complications that lead to a limited execution should be documented as complications instead." />
    </element>
    <element id="Procedure.complication">
      <path value="Procedure.complication" />
      <short value="Complications when performing exercise" />
      <definition value="Any complications that occurred when performing the exercise." />
    </element>
    <element id="Procedure.complication.coding">
      <path value="Procedure.complication.coding" />
      <max value="1" />
    </element>
    <element id="Procedure.followUp">
      <path value="Procedure.followUp" />
      <max value="0" />
    </element>
    <element id="Procedure.focalDevice">
      <path value="Procedure.focalDevice" />
      <max value="0" />
    </element>
    <element id="Procedure.usedReference">
      <path value="Procedure.usedReference" />
      <max value="0" />
    </element>
    <element id="Procedure.usedCode">
      <path value="Procedure.usedCode" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>