<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ca-qc-endo-profile-EndoDiagnosticReport-v0.9.1" />
  <url value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoDiagnosticReport" />
  <version value="0.9.1" />
  <name value="EndoDiagnosticReport" />
  <status value="active" />
  <date value="2025-12-04T10:00:00.00+00:00" />
  <description value="Ressource rapport de diagnostic&#xA;&#xA;Changements à la version 0.9.1:&#xA;&#xA;- statut de la ressource (draft → active)&#xA;- meta.source est obligatoire" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="DiagnosticReport" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DiagnosticReport" />
  <derivation value="constraint" />
  <differential>
    <element id="DiagnosticReport.meta">
      <path value="DiagnosticReport.meta" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.source">
      <path value="DiagnosticReport.meta.source" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.profile">
      <path value="DiagnosticReport.meta.profile" />
      <comment value="Projet endoscopie, utiliser : https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoDiagnosticReport&#xA;&#xA;It is up to the server and/or other infrastructure of policy to determine whether/how these claims are verified and/or updated over time.  The list of profile URLs is a set." />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.security">
      <path value="DiagnosticReport.meta.security" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.security.system">
      <path value="DiagnosticReport.meta.security.system" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.security.code">
      <path value="DiagnosticReport.meta.security.code" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.security.display">
      <path value="DiagnosticReport.meta.security.display" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.tag">
      <path value="DiagnosticReport.meta.tag" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.tag.system">
      <path value="DiagnosticReport.meta.tag.system" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.tag.code">
      <path value="DiagnosticReport.meta.tag.code" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.meta.tag.display">
      <path value="DiagnosticReport.meta.tag.display" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension">
      <path value="DiagnosticReport.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="closed" />
      </slicing>
    </element>
    <element id="DiagnosticReport.extension:retroflexion">
      <path value="DiagnosticReport.extension" />
      <sliceName value="retroflexion" />
      <min value="0" />
      <max value="2" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoRetroflexion" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:retroflexion.value[x]">
      <path value="DiagnosticReport.extension.value[x]" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:retroflexion.value[x].coding">
      <path value="DiagnosticReport.extension.value[x].coding" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <description value="rétroflexion effectuée au cours de la colonoscopie" />
        <valueSet value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/ValueSet/RetroflexionEndo" />
      </binding>
    </element>
    <element id="DiagnosticReport.extension:retroflexion.value[x].coding.code">
      <path value="DiagnosticReport.extension.value[x].coding.code" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:retroflexion.value[x].coding.display">
      <path value="DiagnosticReport.extension.value[x].coding.display" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:retroflexion.value[x].text">
      <path value="DiagnosticReport.extension.value[x].text" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:asaClassPhysicalStatus">
      <path value="DiagnosticReport.extension" />
      <sliceName value="asaClassPhysicalStatus" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoASAClassPhysicalStatus" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:asaClassPhysicalStatus.value[x]">
      <path value="DiagnosticReport.extension.value[x]" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:asaClassPhysicalStatus.value[x].coding">
      <path value="DiagnosticReport.extension.value[x].coding" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <description value="classe du système de classification de l'état physique de l'American Society of Anesthesiologists" />
        <valueSet value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Ucni/ValueSet/ClasseAsaMaitre" />
      </binding>
    </element>
    <element id="DiagnosticReport.extension:asaClassPhysicalStatus.value[x].coding.code">
      <path value="DiagnosticReport.extension.value[x].coding.code" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:asaClassPhysicalStatus.value[x].coding.display">
      <path value="DiagnosticReport.extension.value[x].coding.display" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:asaClassPhysicalStatus.value[x].text">
      <path value="DiagnosticReport.extension.value[x].text" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:colonicPreparation">
      <path value="DiagnosticReport.extension" />
      <sliceName value="colonicPreparation" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoColonicPreparation" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:colonicPreparation.extension:colonicPreparation">
      <path value="DiagnosticReport.extension.extension" />
      <sliceName value="colonicPreparation" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:colonicPreparation.extension:administrationMethod">
      <path value="DiagnosticReport.extension.extension" />
      <sliceName value="administrationMethod" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:suiviEndoscopiste">
      <path value="DiagnosticReport.extension" />
      <sliceName value="suiviEndoscopiste" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoSuiviEndoscopiste" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:suiviEndoscopiste.extension:suiviEndoscopiste">
      <path value="DiagnosticReport.extension.extension" />
      <sliceName value="suiviEndoscopiste" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:suiviEndoscopiste.extension:freeText">
      <path value="DiagnosticReport.extension.extension" />
      <sliceName value="freeText" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:recommandationsToReferring">
      <path value="DiagnosticReport.extension" />
      <sliceName value="recommandationsToReferring" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoRecommendations" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:recommandationsToReferring.extension:recommandation">
      <path value="DiagnosticReport.extension.extension" />
      <sliceName value="recommandation" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:recommandationsToReferring.extension:freeText">
      <path value="DiagnosticReport.extension.extension" />
      <sliceName value="freeText" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:colonicPreparation_0_9_1">
      <path value="DiagnosticReport.extension" />
      <sliceName value="colonicPreparation_0_9_1" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoColonicPreparation_0_9_1" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:suiviEndoscopiste_0_9_1">
      <path value="DiagnosticReport.extension" />
      <sliceName value="suiviEndoscopiste_0_9_1" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoSuiviEndoscopiste_0_9_1" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.extension:recommandationsToReferring_0_9_1">
      <path value="DiagnosticReport.extension" />
      <sliceName value="recommandationsToReferring_0_9_1" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoRecommendations_0_9_1" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier">
      <path value="DiagnosticReport.identifier" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.use">
      <path value="DiagnosticReport.identifier.use" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.type">
      <path value="DiagnosticReport.identifier.type" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.type.coding">
      <path value="DiagnosticReport.identifier.type.coding" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.type.coding.system">
      <path value="DiagnosticReport.identifier.type.coding.system" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.type.coding.code">
      <path value="DiagnosticReport.identifier.type.coding.code" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.type.coding.display">
      <path value="DiagnosticReport.identifier.type.coding.display" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.system">
      <path value="DiagnosticReport.identifier.system" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.identifier.value">
      <path value="DiagnosticReport.identifier.value" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.basedOn">
      <path value="DiagnosticReport.basedOn" />
      <max value="1" />
    </element>
    <element id="DiagnosticReport.subject">
      <path value="DiagnosticReport.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoPatient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.effective[x]">
      <path value="DiagnosticReport.effective[x]" />
      <min value="1" />
      <type>
        <code value="dateTime" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.issued">
      <path value="DiagnosticReport.issued" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result">
      <path value="DiagnosticReport.result" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="identifier.system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:preparationQuality">
      <path value="DiagnosticReport.result" />
      <sliceName value="preparationQuality" />
      <short value="ObservationEndo" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoPreparationQuality" />
        <aggregation value="bundled" />
      </type>
    </element>
    <element id="DiagnosticReport.result:preparationQuality.reference">
      <path value="DiagnosticReport.result.reference" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:preparationQuality.type">
      <path value="DiagnosticReport.result.type" />
      <definition value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoPreparationQuality&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.&#xA;&#xA;The type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. &quot;Patient&quot; is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources)." />
      <mustSupport value="false" />
    </element>
    <element id="DiagnosticReport.result:preparationQuality.identifier">
      <path value="DiagnosticReport.result.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:preparationQuality.identifier.system">
      <path value="DiagnosticReport.result.identifier.system" />
      <comment value="https://www.msss.gouv.qc.ca/TypeObservation/EndoPreparationQuality&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;Identifier.system is always case sensitive." />
      <min value="1" />
      <fixedUri value="https://www.msss.gouv.qc.ca/TypeObservation/EndoPreparationQuality" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:observation">
      <path value="DiagnosticReport.result" />
      <sliceName value="observation" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoObservation" />
        <aggregation value="bundled" />
      </type>
    </element>
    <element id="DiagnosticReport.result:observation.type">
      <path value="DiagnosticReport.result.type" />
      <definition value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservation&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.&#xA;&#xA;The type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. &quot;Patient&quot; is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources)." />
      <mustSupport value="false" />
    </element>
    <element id="DiagnosticReport.result:observation.identifier">
      <path value="DiagnosticReport.result.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:observation.identifier.system">
      <path value="DiagnosticReport.result.identifier.system" />
      <comment value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservation&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;Identifier.system is always case sensitive." />
      <min value="1" />
      <fixedUri value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservation" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:indications">
      <path value="DiagnosticReport.result" />
      <sliceName value="indications" />
      <short value="Indications" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoIndications" />
        <aggregation value="bundled" />
      </type>
    </element>
    <element id="DiagnosticReport.result:indications.type">
      <path value="DiagnosticReport.result.type" />
      <definition value="https://www.msss.gouv.qc.ca/TypeObservation/EndoIndication&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.&#xA;&#xA;The type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. &quot;Patient&quot; is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources)." />
      <mustSupport value="false" />
    </element>
    <element id="DiagnosticReport.result:indications.identifier">
      <path value="DiagnosticReport.result.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:indications.identifier.system">
      <path value="DiagnosticReport.result.identifier.system" />
      <comment value="https://www.msss.gouv.qc.ca/TypeObservation/EndoIndication&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;Identifier.system is always case sensitive." />
      <min value="1" />
      <fixedUri value="https://www.msss.gouv.qc.ca/TypeObservation/EndoIndication" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:observationPolyps">
      <path value="DiagnosticReport.result" />
      <sliceName value="observationPolyps" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoObservationPolyps" />
        <aggregation value="bundled" />
      </type>
    </element>
    <element id="DiagnosticReport.result:observationPolyps.type">
      <path value="DiagnosticReport.result.type" />
      <definition value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservationPolyps&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.&#xA;&#xA;The type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. &quot;Patient&quot; is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources)." />
      <mustSupport value="false" />
    </element>
    <element id="DiagnosticReport.result:observationPolyps.identifier">
      <path value="DiagnosticReport.result.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:observationPolyps.identifier.system">
      <path value="DiagnosticReport.result.identifier.system" />
      <comment value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservationPolyps&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;Identifier.system is always case sensitive." />
      <min value="1" />
      <fixedUri value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservationPolyps" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:observationGlobal">
      <path value="DiagnosticReport.result" />
      <sliceName value="observationGlobal" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/StructureDefinition/EndoObservationGlobal" />
        <aggregation value="bundled" />
      </type>
    </element>
    <element id="DiagnosticReport.result:observationGlobal.type">
      <path value="DiagnosticReport.result.type" />
      <definition value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservationGlobal&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.&#xA;&#xA;The type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. &quot;Patient&quot; is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources)." />
      <mustSupport value="false" />
    </element>
    <element id="DiagnosticReport.result:observationGlobal.identifier">
      <path value="DiagnosticReport.result.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.result:observationGlobal.identifier.system">
      <path value="DiagnosticReport.result.identifier.system" />
      <comment value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservationGlobal&#xA;Format:    https://www.msss.gouv.qc.ca/TypeObservation/[NomTypeObservation]&#xA;&#xA;Identifier.system is always case sensitive." />
      <min value="1" />
      <fixedUri value="https://www.msss.gouv.qc.ca/TypeObservation/EndoObservationGlobal" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.conclusion">
      <path value="DiagnosticReport.conclusion" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.conclusionCode">
      <path value="DiagnosticReport.conclusionCode" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.conclusionCode.coding">
      <path value="DiagnosticReport.conclusionCode.coding" />
      <mustSupport value="true" />
      <binding>
        <strength value="extensible" />
        <valueSet value="https://extranet.ti.msss.rtss.qc.ca/FHIR/Endo/ValueSet/ImpressionConclusionEndo" />
      </binding>
    </element>
    <element id="DiagnosticReport.conclusionCode.coding.system">
      <path value="DiagnosticReport.conclusionCode.coding.system" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.conclusionCode.coding.code">
      <path value="DiagnosticReport.conclusionCode.coding.code" />
      <mustSupport value="true" />
    </element>
    <element id="DiagnosticReport.conclusionCode.coding.display">
      <path value="DiagnosticReport.conclusionCode.coding.display" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>