ProductCode

Choose from one of the following enumerators:

Data Code	Description
LT	Lot number.
N1	National Drug Code in 442 format.
N2	National Drug Code in 532 format.
N3	National Drug Code in 541 format.
N4	NDC542 value as it would appear in master data/Redbook.
ND	NDC code - Not recommended as does not specify NDC type.
UA	Case UPC. UPC Case Code (2-5-5). Legacy UPC.
UI	GTIN-14 identification number. WHICH DEFINITION IS CORRECT???? Package UPC. Consumer Package Code (1-5-5). Legacy UPC.
UK	EAN/UCC-14. 14 digit EAN.UCC (1-2-5-5-1). Also known as GTIN-14.
UP	UCC-12. 12 digit EAN.UCC (1-5-5-1). Also known as UPC-A and GTIN-12.
UX	Universal Product Number. A unique identifier of a healthcare product.
VC	Vendor Catalog Number. Vendor's (Seller's) Catalog Number.