<status value="active"/> <date value="2014-03-26"/> <description value="Restricts participation to either physical or verbal"/> <immutable value="true"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ParticipationMode"/> <concept> <code value="PHYSICAL"/> </concept> <concept> <code value="VERBAL"/> </concept> </include> </compose> </ValueSet>

Code	Display	Definition
PHYSICAL	physical presence	Participation by direct action where subject and actor are in the same location. (The participation involves more than communication.)
VERBAL	verbal	Participation by voice communication