<status value="active"/> <date value="2014-03-26"/> <description value="Relates a component (player) to a mixture (scoper). E.g., Glucose and Water are ingredients of D5W, latex may be an ingredient in a tracheal tube."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-RoleClass"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="INGR"/> </filter> </include> </compose> </ValueSet>