![]() Different ATC codes can be assigned to the same active ingredient if it is combined with another active ingredient. ATC coding is used by WHO CC and various agencies to track the incidence of adverse events associated with a drug’s utilization and ATC classification of a drug can be leveraged by a manufacturer to seek to re-brand a drug combination by citing newly acquired value differentiators. WHO states ATC Classification should not be used for pricing, reimbursement or pharmaceutical marketing purposes. ATC Codes are used to create drug catalogs (e.g. You may screen for double medication where use of identical drugs or two chemically different substances with similar pharmacodynamics properties. The main purpose of ATC is for presenting drug utilization statistics, primarily for improving drug use and it may also be used for estimates of frequency trends in spontaneously reported drug safety cases of suspected adverse events. If a drug is already uniquely identified at the 3rd level, the 4th and 5th levels are not required. There are two major ATC coding guideline principles: Each drug or compound should resolve to a unique, single code for indication and route of administration and lower level codes will only be applied if necessary. The last is A10BB01, fifth level subgroup for chemical substance is Glibenclamide. A10B, third level, therapeutic/pharmacological subgroup is blood-glucose-lowering medicines and A10BB, fourth level, chemical/therap/pharmacol subgroup is Sulfonamides, urea derivatives. A10, second level, main therapeutic group is medicines used in diabetes. Example A, first level, main anatomical group is alimentary tract and metabolism. P – Antiparasitic products, insecticides and repellentsĮach lower-level ATC code stands for a pharmaceutically used substance, or a combination of substances, in a single indication (or use). L – Antineoplastic and immunomodulating agents G – Genito urinary system and sex hormones The ATC System divides drugs into different groups according to the organ or system on which they act and/or their therapeutic and chemical characteristics which include: 1996- WHO brought management of ATC under their headquarters in Geneva.1996- WHO recognized the need to promote the adoption of the ATC methodology.1982- WHO established the Collaborating Centre for Drug Statistics Methodology in Oslo. ![]() 1981- WHO Regional Office for Europe recommends ATC for international drug utilization studies.1976- First use- Nordic Council on Medicines collaborated with Norwegian researchers to publish the ATC methodology for the first time. ![]()
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