Databases and E-Resources at the Library of Congress

National Drug Code Directory

Access: Publicly available resource

Description: The NDC serves as a universal product identifier for human drugs. The National Drug Code Query (NDCQ) content is limited to prescription drugs and a few selected OTC products. Search by: Proprietary Name; NDC Number (a unique 10-digit, 3-segment number); Active Ingredient; and Firm Name. The National Drug Code (NDC) Number identifies the labeler/vendor, product, and trade package size.

Coverage: Various Dates

Subject(s):
Health, Medicine & Psychology
Publicly Available Resources

Related DatabasesOn-Site Access Only
Medline

Related Links
Merck Manual of Diagnosis and Therapy
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