Public Services Division
Drug Codes and Nomenclature
CAS Registry with CAS Registry Numbers is the most authoritative collection of disclosed chemical substance information, containing more than 73 million organic and inorganic substances and over 64 million sequences. Washington (DC): American Chemical Society; 1907- .
The FDA Data Standards Manual (DSM) is a compilation of standardized nomenclature monographs that have been reviewed and approved by the FDA Data Standards Council through their Vocabulary Standards Work Group (VSWG) and through CDER Nomenclature Standards Committee (NSC). Rockville (MD): Food and Drug Administration, Center for Drug Evaluation; [last updated: June 18, 2009].
HCPCS (Centers for Medicare and Medicaid Services Healthcare Common Procedure Coding System) Level II codes are alphanumeric medical diagnostic codes, primarily for non-physician services such as ambulance services and prosthetic devices. The J codes are used for reimbursement of services involved with Drugs Administered Other Than Oral Method and Chemotherapy Drugs. Online available through ICD9data.com. Available in print versions also: Buck CJ, editor. HCPCS Level II. Chicago: American Medical Association; 2006- .
RxNorm provides normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software, including those of First Databank, Micromedex, MediSpan, Gold Standard, and Multum. By providing links between these vocabularies, RxNorm can mediate messages between systems not using the same software and vocabulary. Bethesda (MD): National Library of Medicine; 2004- .
National Drug Code (NDC) Directory is a directory of NDCs or unique product identifiers used in the U.S. for drugs intended for human use. The Drug Listing Act of 1972 requires registered drug establishments to provide the FDA (U.S. Food and Drug Adminstration) with a current list of all drugs manufactured, prepared, propagated, compounded, or processed by it for commercial distribution. Rockville (MD): U.S. Food and Drug Administration; 2007- .
USP Dictionary of USAN and International Drug Names (online) is a compendium of USAN (U.S. Adopted Names) selected and released with current USP and NF names for drugs and other nonproprietary drug names. Subscription required. Available in print version also. Rockville (MD): U.S. Pharmacopeial Convention; 1994- .