Code giving specific meaning to a date, time or period.

The value of a date, a date and time, a time or of a period in a specified representation.

Specification of the representation of a date, a date and time or of a period.

Free text field available to the message sender for information.

Identification number the nature and function of which can be qualified by an entry in data element 1153 Reference qualifier.

Code giving specific meaning to a reference segment or a reference number.