<status value="active"/> <date value="2014-03-26"/> <description value="one that begets or brings forth offspring or a person who brings up and cares for another (Webster's Collegiate Dictionary)"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-RoleCode"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="PRN"/> </filter> </include> </compose> </ValueSet>