To identify a product.

Code specifying the type of diagnosis.

Code identifying a user or association maintained code list.

Code qualifying the function of a date, time or period.

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

Code specifying the representation of a date, time or period.

Code specifying a related cause.

To specify a date value.

Code specifying the name of a country sub-entity.