<status value="active"/> <experimental value="false"/> <date value="2014-03-26"/> <description value="The act of examining and evaluating the subject, usually another act. For example, "This prescription needs to be reviewed in 2 months.""/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActClass"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="REV"/> </filter> </include> </compose> </ValueSet>