Numeric value of quantity.

Code identifying the basic unit of measurement.

G5402 qualifies G5401.

Code (Universal Product Code - ``UPC'') including two high order digits identifying the ``system'' (U.S. Grocery = 00, 06 or 07; U.S. Drug = 03). Using the U.S. Grocery system, the next ten digits are: Manufacturer (5) Case Code (5).

One of G5403 or G5404 is required.

Code identifying the type/source of the descriptive number used in Product/Service ID (234).

If one of G5404 or G5405 is used, then the other is required.

Identifying number for a product or service.

Free-form descriptive text.