| DESCRIPTION |
ABBREVIATION INTERPRETATION
(e.g., dermatological, ophthalmic). If a product is not classified by
route of administration, it is classified in most instances under a
specific chemical or pharmacological classification (e.g., beta-blockers
, cephalosporins). If a product is not classified by route of
administration, or chemical or pharmacological subclassification, it may
be classified under a therapeutic category (e.g., antilipemic agents,
antiparkinson agents).
Most combination products are found in the "other" subclassification
under each major classification unless a specific subcategory for
combination products exists or a descriptive comment indicates inclusion
elsewhere. In addition, products which are not adequately described by a
minor category or subcategory within the major classification are
classified as "other" (e.g., metronidazole, vancomycin).
The "notes" included in the following classification file define
assignment of codes for primary classifications only. These notes may or
may not be applicable to any secondary classifications.
NDC NATIONAL DRUG CODE
NEC NOT ELSEWHERE CLASSIFIED
Descriptive comments are included only when the classification
system itself is not self-explanatory. The VA Drug Classification
system classifies drug products, not generic ingredients. Drug
products with local effects are classified by route of administration
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