<status value="active"/> <experimental value="false"/> <date value="2014-03-26"/> <description value="Interpretations of the presence and level of reactivity of the specified component / analyte with the reagent in the performed laboratory test."/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="ReactivityObservationInterpretation"/> </filter> </include> </compose> </ValueSet>