<status value="draft" /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Encounter" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Extension.extension:CancellationDate"> <path value="Extension.extension" /> <sliceName value="CancellationDate" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Extension.extension:CancellationDate.url"> <path value="Extension.extension.url" /> <fixedUri value="CancellationDate" /> </element> <element id="Extension.extension:CancellationDate.value[x]"> <path value="Extension.extension.value[x]" /> <type> <code value="dateTime" /> </type> <mustSupport value="true" /> </element> <element id="Extension.extension:CancellationReason"> <path value="Extension.extension" /> <sliceName value="CancellationReason" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="Extension.extension:CancellationReason.url"> <path value="Extension.extension.url" /> <fixedUri value="CancellationReason" /> </element> <element id="Extension.extension:CancellationReason.value[x]"> <path value="Extension.extension.value[x]" /> <type> <code value="CodeableConcept" /> </type> <mustSupport value="true" /> <binding> <strength value="extensible" /> <valueSet value="http://ontariohealth.ca/fhir/ValueSet/surgery-cancellation-reason" /> </binding> </element> <element id="Extension.extension:CancellationReason.value[x].coding"> <path value="Extension.extension.value[x].coding" /> <mustSupport value="true" /> <binding> <strength value="extensible" /> <description value="Reason Surgery was Cancelled" /> <valueSet value="http://ontariohealth.ca/fhir/ValueSet/surgery-cancellation-reason" /> </binding> </element> <element id="Extension.extension:CancellationReason.value[x].coding.system"> <path value="Extension.extension.value[x].coding.system" /> <fixedUri value="http://ontariohealth.ca/fhir/CodeSystem/surgery-cancellation-reason" /> <mustSupport value="true" /> </element> <element id="Extension.extension:CancellationReason.value[x].coding.code"> <path value="Extension.extension.value[x].coding.code" /> <mustSupport value="true" /> <binding> <strength value="extensible" /> <description value="Reason Surgery was Cancelled" /> <valueSet value="http://ontariohealth.ca/fhir/ValueSet/surgery-cancellation-reason" /> </binding> </element> <element id="Extension.extension:CancellationReason.value[x].coding.display"> <path value="Extension.extension.value[x].coding.display" /> <mustSupport value="true" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://ontariohealth.ca/fhir/StructureDefinition/ca-on-seris-ext-cancellation" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <label value="To Date" /> <max value="0" /> </element> </differential> </StructureDefinition>