Code specifying the event category.

Code identifying a user or association maintained code list.

Code specifying the agency responsible for a code list.

Free form description of the event category.

Code specifying an event type.

Code identifying a user or association maintained code list.

Code specifying the agency responsible for a code list.

Free form description of the event type.

Code specifying an event.

Code identifying a user or association maintained code list.

Code specifying the agency responsible for a code list.

Free form description of the event.