<status value="active"/> <date value="2014-03-26"/> <description value="The subject of non-clinical (e.g. laboratory) observation services is a specimen."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ParticipationType"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="SPC"/> </filter> </include> </compose> </ValueSet>