NDC numbers (National Drug Codes)

Question 1

First Segment

Answer 1

The First segment of an NDA number string identifies the drug’s Manufacturer. This number is unique to the maker or re-packager of the product.

Question 2

Second Segment

Answer 2

The Second segment of an NDA number string identifies the Product. This number is unique to the formulation and strength of the product.

Question 3

Third Segment

Answer 3

The Third segment
of an NDA number string identifies the Packaging. This number is unique to the size and quantity of the product.