<status value="active"/> <experimental value="false"/> <date value="2014-03-26"/> <description value="A service that actually happens, may be an ongoing service or a documentation of a past service. Historical note: in previous RIM versions, the event mood was captured as a separate class hierarchy, called Patient\_service\_event, and later Service\_event."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActMood"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="EVN"/> </filter> </include> </compose> </ValueSet>