<status value="draft" /> <date value="2018-02-25T12:34:39.039+01:00" /> <description value="Extension defined to allow the pre-adoption in STU 3 of the R4 derivedFrom element in the observation resource" /> <fhirVersion value="3.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <contextType value="resource" /> <context value="Observation" /> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="derivedFrom" /> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <slicing> <discriminator> <type value="value" /> <path value="url" /> </discriminator> <rules value="open" /> </slicing> </element> <element id="Extension.extension:reference"> <path value="Extension.extension" /> <sliceName value="reference" /> </element> <element id="Extension.extension:reference.url"> <path value="Extension.extension.url" /> <fixedUri value="reference" /> </element> <element id="Extension.extension:reference.valueReference:valueReference"> <path value="Extension.extension.valueReference" /> <sliceName value="valueReference" /> <type> <code value="Reference" /> <versioning value="either" /> </type> </element> <element id="Extension.extension:referenceType"> <path value="Extension.extension" /> <sliceName value="referenceType" /> </element> <element id="Extension.extension:referenceType.url"> <path value="Extension.extension.url" /> <fixedUri value="referenceType" /> </element> <element id="Extension.extension:referenceType.value[x]:valueCodeableConcept"> <path value="Extension.extension.valueCodeableConcept" /> <sliceName value="valueCodeableConcept" /> <type> <code value="CodeableConcept" /> </type> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://trilliumbridge.eu/fhir/StructureDefinition/derivedfrom-observation-uv-trillium2" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> <type> <code value="base64Binary" /> </type> <type> <code value="boolean" /> </type> <type> <code value="code" /> </type> <type> <code value="date" /> </type> <type> <code value="dateTime" /> </type> <type> <code value="decimal" /> </type> <type> <code value="id" /> </type> <type> <code value="instant" /> </type> <type> <code value="integer" /> </type> <type> <code value="markdown" /> </type> <type> <code value="oid" /> </type> <type> <code value="positiveInt" /> </type> <type> <code value="string" /> </type> <type> <code value="time" /> </type> <type> <code value="unsignedInt" /> </type> <type> <code value="uri" /> </type> <type> <code value="Address" /> </type> <type> <code value="Age" /> </type> <type> <code value="Annotation" /> </type> <type> <code value="Attachment" /> </type> <type> <code value="CodeableConcept" /> </type> <type> <code value="Coding" /> </type> <type> <code value="ContactPoint" /> </type> <type> <code value="Count" /> </type> <type> <code value="Distance" /> </type> <type> <code value="Duration" /> </type> <type> <code value="HumanName" /> </type> <type> <code value="Identifier" /> </type> <type> <code value="Money" /> </type> <type> <code value="Period" /> </type> <type> <code value="Quantity" /> </type> <type> <code value="Range" /> </type> <type> <code value="Ratio" /> </type> <type> <code value="Reference" /> <versioning value="independent" /> </type> <type> <code value="SampledData" /> </type> <type> <code value="Signature" /> </type> <type> <code value="Timing" /> </type> </element> </differential> </StructureDefinition>