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  2. Harmonized System - Wikipedia

    en.wikipedia.org/wiki/Harmonized_System

    The process of assigning HS codes is known as "HS Classification". All products can be classified in the HS by using the General Rules for the Interpretation of the Harmonized System ("GRI") that must be applied in strict order. HS codes can be determined by a variety of factors including a product's composition, its form and its function.

  3. List of pharmaceutical compound number prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_pharmaceutical...

    This list of pharmaceutical compound number prefixes provides codes used by individual pharmaceutical companies when naming their pharmaceutical drug candidates. . Pharmaceutical companies generally produce large numbers of compounds in the research phase for which it is impractical to use often long and cumbersome systematic chemical names, and for which the effort to generate nonproprietary ...

  4. Anatomical Therapeutic Chemical Classification System

    en.wikipedia.org/wiki/Anatomical_Therapeutic...

    The ATC classification system is a strict hierarchy, [5] meaning that each code necessarily has one and only one parent code, except for the 14 codes at the topmost level which have no parents. The codes are semantic identifiers, [ 5 ] meaning they depict information by themselves beyond serving as identifiers (namely, the codes depict ...

  5. List of abbreviations used in medical prescriptions - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_used...

    This is a list of abbreviations used in medical prescriptions, including hospital orders (the patient-directed part of which is referred to as sig codes).This list does not include abbreviations for pharmaceuticals or drug name suffixes such as CD, CR, ER, XT (See Time release technology § List of abbreviations for those).

  6. Pharmaceutical code - Wikipedia

    en.wikipedia.org/wiki/Pharmaceutical_code

    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.

  7. Drug nomenclature - Wikipedia

    en.wikipedia.org/wiki/Drug_nomenclature

    Drug nomenclature is the systematic naming of drugs, especially pharmaceutical drugs.In the majority of circumstances, drugs have 3 types of names: chemical names, the most important of which is the IUPAC name; generic or nonproprietary names, the most important of which are international nonproprietary names (INNs); and trade names, which are brand names. [1]

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  9. The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.