<status value="active"/> <date value="2014-03-26"/> <description value="**Definition:**Specifies the administrative functionality within a formal experimental design for which the ResearchSubject role was established. **Examples:** Screening - role is used for pre-enrollment evaluation portion of the design; enrolled - role is used for subjects admitted to the experimental portion of the design."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-RoleClass"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="RESBJ"/> </filter> </include> </compose> </ValueSet>