<status value="active"/> <date value="2014-03-26"/> <description value="A context that comprises all compositions. The EHR is an extract that includes the entire chart. **NOTE:** In an exchange scenario, an EHR is a specialization of an extract."/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActClass"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="EHR"/> </filter> </include> </compose> </ValueSet>