<status value="draft" /> <date value="2013-12-05" /> <publisher value="Health Level Seven International (FHIR Infrastructure)" /> <contact> <telecom> <system value="url" /> <value value="http://www.hl7.org/Special/committees/fiwg" /> </telecom> </contact> <description value="Provides a reason why the expected value or elements in the element that is extended are missing." /> <fhirVersion value="4.0.0" /> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Element" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="unknown | asked | temp | notasked | masked | unsupported | astext | error" /> <definition value="Provides a reason why the expected value or elements in the element that is extended are missing." /> <max value="1" /> <mapping> <identity value="rim" /> <map value="ANY.nullFlavor" /> </mapping> </element> <element id="Extension.url"> <path value="Extension.url" /> <type> <code value="uri" /> </type> <fixedUri value="http://hl7.org/fhir/StructureDefinition/data-absent-reason" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <type> <code value="string" /> </type> <type> <code value="url" /> </type> </element> <element id="Extension.value[x]:valueCode"> <path value="Extension.valueCode" /> <sliceName value="valueCode" /> <type> <code value="code" /> </type> <binding> <strength value="required" /> <description value="Used to specify why the normally expected content of the data element is missing." /> <valueSet value="http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.0" /> </binding> </element> </differential> </StructureDefinition>