General

National Drug Code (NDC)

What is a National Drug Code (NDC)?The NDC, or National Drug Code, is a unique 10-digit or 11-digit, 3-segment number,...

Global Trade Item Number (GTIN)

What is a Global Trade Item Number (GTIN)?A Global Trade Item Number (GTIN) is a unique and internationally recognized identifier...

Top-Level Domains

What is a Top-Level Domain? A top-level domain (TLD) is one of the domains at the highest level in the...

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