<status value="active"/> <experimental value="false"/> <date value="2014-08-07"/> <description value="Observation values used to indicate what kind of health quality measure is used."/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ObservationValue"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="_ObservationMeasureType"/> </filter> </include> </compose> </ValueSet>