Pharmaceutical code

Pharmaceutical codes are used in medical classification to uniquely identify medication. Examples of coding systems include:


 * Anatomical Therapeutic Chemical Classification System (AT, or ATC/DDD) -- administered by World Health Organization
 * National Drug Codes (NDC) -- administered by Food and Drug Administration
 * SNOMED -- C axis
 * Drug Identification Number (DIN) -- administered by the Health Canada under the Food and Drugs Act
 * Hong Kong Drug Registration - administered by the Pharmaceutical Service of the Department of Health (Hong Kong)