The National Drug Code (NDC) is an identifier that may be associated with a Product; or, since the commercial package size is part of the NDC, each Inventory Item may have an NDC that is different.
The NDC is a free-form field, and is one of the 'Unique Inventory Attributes'.
Inventory Items may be located by their NDC using the following search screens:
‘Inventory Management’ screen
If using the NDC to location Inventory Items, the complete NDC must be used - partial search is not allowed.
The 10-digit NDC will be in one of the following configurations: 4-4-2, 5-3-2, or 5-4-1, meaning that there are 4 or 5 digits for the labeler code, 4 or 3 digits for the product code, and 2 or 1 digit(s) for the package code. The FDA maintains a searchable database of all NDC codes on their website.
More about National Drug Codes can be found on these websites:
National Drug Code Directory:
Electronic Animal Drug Product Listing Directory: