<status value="draft" /> <publisher value="Health Level Seven Australia (Orders and Observations WG)" /> <contact> <telecom> <system value="url" /> <value value="http://hl7.org.au" /> <use value="work" /> </telecom> </contact> <description value="This profile provides an observation information structure for asserting a clinical judgement that there are no items of specific interest, e.g. allergies, no medications, for a patient." /> <fhirVersion value="3.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="Observation" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" /> <derivation value="constraint" /> <differential> <element id="Observation"> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="draft" /> </extension> <path value="Observation" /> <short value="Statement of clinical judgement that there are no items of specific interest" /> <definition value="Statement of clinical judgement that there are no items of specific interest after a reasonable investigation." /> </element> <element id="Observation.code"> <path value="Observation.code" /> <fixedCodeableConcept> <coding> <system value="http://hl7.org/fhir/v3/ActCode" /> <code value="ASSERTION" /> </coding> </fixedCodeableConcept> </element> <element id="Observation.subject"> <path value="Observation.subject" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" /> </type> <type> <code value="Reference" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group" /> </type> </element> <element id="Observation.performer"> <path value="Observation.performer" /> <short value="Asserter of the statement" /> </element> <element id="Observation.value[x]:valueCodeableConcept"> <path value="Observation.valueCodeableConcept" /> <sliceName value="valueCodeableConcept" /> <short value="Coded value of the observation" /> <min value="1" /> <type> <code value="CodeableConcept" /> </type> <binding> <strength value="extensible" /> <valueSetUri value="https://healthterminologies.gov.au/fhir/ValueSet/assertion-of-absence-1" /> </binding> </element> <element id="Observation.dataAbsentReason"> <path value="Observation.dataAbsentReason" /> <max value="0" /> </element> </differential> </StructureDefinition>