How many digits are in a standard NDC code?

A standard National Drug Code (NDC) typically consists of 11 digits, and this format is significant in the identification of the drug product. The NDC is structured in a specific way: the first segment identifies the labeler (the manufacturer or distributor), the second segment identifies the specific product (the formulation, strength, and dosage form), and the third segment designates the package size.

To clarify the format, the 11-digit NDC can be represented as five digits for the labeler, followed by four digits for the product, and two digits for the package size. This structure ensures that each drug product has a unique identifier, which is critical for regulatory, inventory, and billing purposes.

While the NDC can sometimes be displayed with dashes or spaces for clarity, the underlying standard remains at 11 digits. Understanding this format is vital for pharmacy practice, as it aids in accurate drug dispensing and patient safety.