Code specifying the unique identity of an object.

Code qualifying the identification of an object.

Code specifying a status.

Code specifying the identity of a party.

Code identifying a code list.

Code specifying the agency responsible for a code list.

To identify a level within a hierarchical structure.

To identify a position in a sequence.

A code specifying a characteristic.

Code identifying a code list.

Code specifying the agency responsible for a code list.

Free form description of a characteristic.

Free form description of a characteristic.