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ATC index 2009 / Geneva [Switzerland] : World Health Organisation (WHO) (2009)
ATC index 2009 [electronic document] . - Geneva (Switzerland) : World Health Organisation (WHO), 2009.
Includes the complete ATC/DDD Index 2009 searchable and free of charge.
Languages : English (eng)
QV 13 Pharmacology. Dictionaries. Encyclopedias
Classification ; Dictionaries, Pharmaceutic ; Dictionary [PT]
Keywords: ATC Abstract: The purpose of the ATC/DDD system is to serve as a tool for drug utilization research in order to improve quality of drug use. One component of this is the presentation and comparison of drug consumption statistics at international and other levels.
A major aim of the Centre and Working Group is to maintain stable ATC codes and DDDs over time to allow trends in drug consumption to be studied without the complication of frequent changes to the system. There is a strong reluctance to make changes to classifications or DDDs where such changes are requested for reasons not directly related to drug consumption studies. For this reason the ATC/DDD system by itself is not suitable for guiding decisions about reimbursement, pricing and therapeutic substitution.
The classification of a substance in the ATC/DDD system is not a recommendation for use, nor does it imply any judgements about efficacy or relative efficacy of drugs and groups of drugs.
Contents note: Drugs are classified in groups at five different levels. The drugs are divided into fourteen main groups (1st level), with one pharmacological/therapeutic subgroup (2nd level). The 3rd and 4th levels are chemical/pharmacological/therapeutic subgroups and the 5th level is the chemical substance. The 2nd, 3rd and 4th levels are often used to identify pharmacological subgroups when that is considered more appropriate than therapeutic or chemical subgroups. Link for e-copy: http://www.whocc.no/atcddd/ Format of e-copy: Webpage Record link: