Pharmaceutical code

Short description: Drug identifier

Pharmaceutical codes are used in medical classification to uniquely identify medication. They may uniquely identify an active ingredient, drug system (including inactive ingredients and time-release agents) in general, or a specific pharmaceutical product from a specific manufacturer.

## Examples

Drug system identifiers (manufacturer-specific including inactive ingredients):

* National Drug Code (NDC) — administered by Food and Drug Administration.[1]
* Drug Identification Number (DIN) — administered by Health Canada under the Food and Drugs Act
* Hong Kong Drug Registration — administered by the Pharmaceutical Service of the Department of Health (Hong Kong)
* National Pharmaceutical Product Index \- South Africa

Hierarchical systems:

* Anatomical Therapeutic Chemical Classification System (AT, or ATC/DDD) — administered by World Health Organization
* Generic Product Identifier (GPI) — hierarchical classification number published by MediSpan
* SNOMED — C axis

Ingredients:

* Unique Ingredient Identifier

Proprietary database identifiers include those assigned by First Databank, Micromedex, MediSpan, Gold Standard Drug Database (published by Elsevier), and Cerner Multum MediSource Lexicon; these are cross-indexed by RxNorm, which also assigns a unique identifier (RxCUI) to every combination of active ingredient and dose level.[2]

## See also

* Drug nomenclature
* Drug class

## References

1. ↑ "National Drug Code Directory". 5 May 2017. https://www.fda.gov/drugs/drug-approvals-and-databases/national-drug-code-directory?elqTrackId=b2f8af5cd98146b19b56b47feab2f6a0&elq=b28e6c325c6748e1bc1f24989a3eb0d6&elqaid=4255&elqat=1&elqCampaignId=3344.
2. ↑ RxNorm Overview

* v
* t
* e

Medical classification

Topographical codes|

* Terminologia
* TA
* TH
* TE
* SNOMED T axis
* MeSH A axis

Diagnostic codes|

| general:|

* ICD
* 11 (not yet released; in development)
* 10
* 9
* ICPC-2
* DRC
* NANDA
* Read codes
* SNOMED D axis

|

specialized:|

* ICD-O
* ICSD
* ICHD
* ILDS
* DSM
* IV
* 5
* BPA
* CCMD-3

Procedural codes|

* HCPCS (CPT, Level 2)
* ICD
* 10 PCS
* 9-CM Volume 3
* ICHI
* NIC
* SNOMED P axis
* OPS-301
* [[Software:Read Read codes/Medicine:OPCS-4|OPCS-4]]
* CCAM
* LOINC

Pharmaceutical codes|

* ATC
* NDC
* SNOMED C axis
* DIN

Outcomes codes|

* NOC

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