<status value="active"/> <date value="2014-03-26"/> <description value="A code specifying the meaning and purpose of every RoleLink instance. Each of its values implies specific constraints to what kinds of Role objects can be related and in which way."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-RoleLinkType"/> </include> </compose> </ValueSet>