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Anatomical Therapeutic Chemical Classification System
Anatomical Therapeutic Chemical Classification System
Published: 2016/01/22
Channel: WikiAudio
WHO Drug Dictionaries and ATC, WHO-ART and MedDRA
WHO Drug Dictionaries and ATC, WHO-ART and MedDRA
Published: 2015/09/03
Channel: Uppsala Monitoring Centre
The ABC s of ATC coding
The ABC s of ATC coding
Published: 2016/05/26
Channel: Eclipse
ATC code B05
ATC code B05
Published: 2016/01/22
Channel: WikiAudio
ATC a
ATC a
Published: 2009/09/10
Channel: 井上孝之
Pharmacology - AUTONOMIC NERVOUS SYSTEM (MADE EASY)
Pharmacology - AUTONOMIC NERVOUS SYSTEM (MADE EASY)
Published: 2015/07/06
Channel: Speed Pharmacology
ATC code S01
ATC code S01
Published: 2016/01/22
Channel: WikiAudio
Анатомо-терапевтическо-химическая классификация
Анатомо-терапевтическо-химическая классификация
Published: 2016/07/21
Channel: Wikitube Ru
ATC code A12
ATC code A12
Published: 2016/01/22
Channel: WikiAudio
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Yay 2nd prize Winner ATC...Winner Takes All Challenge
Published: 2013/07/15
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ATC .wmv
Published: 2012/01/05
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ATC number 1 contact description
Published: 2018/01/08
Channel: SSS Network
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Norfolk Physical Therapy
Published: 2010/09/12
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ARBs Drug Class Overview
ARBs Drug Class Overview
Published: 2014/02/06
Channel: RxWikiTV
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ATC SPORTS NIGERIA CEO ACTION IN DENMARK
Published: 2012/10/16
Channel: Janika Vaher
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Defend ATC Tower
Published: 2017/07/04
Channel: Fire Fighter
A Systematic Approach to Return to Play
A Systematic Approach to Return to Play
Published: 2017/11/02
Channel: Performance Health Academy Network
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What is PHARMACEUTICAL DRUG? What does PHARMACEUTICAL DRUG mean?
Published: 2016/08/11
Channel: The Audiopedia
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What Is Varenicline Tartrate Used For?
Published: 2017/11/28
Channel: Sri Tech
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Common Injuries Treated in Soccer Today
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Channel: Performance Health Academy Network
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ATC Number 4.wmv
Published: 2012/01/17
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ATC Number 7.wmv
Published: 2012/01/23
Channel: xxbella71xx
Easydose - Daily Dosing
Easydose - Daily Dosing
Published: 2012/12/10
Channel: John Cao
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18 Facts about Drugs
Published: 2017/04/25
Channel: 1 Mega Videos Channel
ATC Number 6.wmv
ATC Number 6.wmv
Published: 2012/01/22
Channel: xxbella71xx
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my mogga mahn fanficion
Published: 2016/10/18
Channel: Evilgrapez Music
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meddrugs_atc_code.wmv
Published: 2011/01/13
Channel: justmedical2011
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Is Nicotine A Chemical Compound?
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ATC Number 5.wmv
Published: 2012/01/20
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ATC Number 3.wmv
Published: 2012/01/16
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ATC SPORTS NIGERIA CEO IN MAN CITY
Published: 2012/10/26
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Introducing ATC Code
Published: 2012/12/21
Channel: AcceptTheChallenges
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Published: 2012/04/14
Channel: chi wai kan
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After Effects ATC. pws1/34 no.29 ( test )
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How Physical Therapists can Stay Current with Social Media
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Treating the Cervical Spine in Concussion Patients
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Published: 2014/10/26
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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The Anatomical Therapeutic Chemical (ATC) Classification System is used for the classification of active ingredients of drugs according to the organ or system on which they act and their therapeutic, pharmacological and chemical properties. It is controlled by the World Health Organization Collaborating Centre for Drug Statistics Methodology (WHOCC), and was first published in 1976.[1]

This pharmaceutical coding system divides drugs into different groups according to the organ or system on which they act or their therapeutic and chemical characteristics. Each bottom-level ATC code stands for a pharmaceutically used substance, or a combination of substances, in a single indication (or use). This means that one drug can have more than one code: acetylsalicylic acid (aspirin), for example, has A01AD05 (WHO) as a drug for local oral treatment, B01AC06 (WHO) as a platelet inhibitor, and N02BA01 (WHO) as an analgesic and antipyretic. On the other hand, several different brands share the same code if they have the same active substance and indications.

History[edit]

The ATC system is based on the earlier Anatomical Classification System, which is intended as a tool for the pharmaceutical industry to classify pharmaceutical products (as opposed to their active ingredients).[2] This system, confusingly also called ATC, was initiated in 1971 by the European Pharmaceutical Market Research Association (EphMRA) and is being maintained by the EphMRA and the Pharmaceutical Business Intelligence and Research Group (PBIRG). Its codes are organised into four levels.[3] The WHO's system, having five levels, is an extension and modification of the EphMRA's. It was first published in 1976.[1]

Classification[edit]

In this system, drugs are classified into groups at five different levels:[4]

First level[edit]

The first level of the code indicates the anatomical main group and consists of one letter. There are 14 main groups:[5]

Code Contents
A Alimentary tract and metabolism
B Blood and blood forming organs
C Cardiovascular system
D Dermatologicals
G Genito-urinary system and sex hormones
H Systemic hormonal preparations, excluding sex hormones and insulins
J Antiinfectives for systemic use
L Antineoplastic and immunomodulating agents
M Musculo-skeletal system
N Nervous system
P Antiparasitic products, insecticides and repellents
R Respiratory system
S Sensory organs
V Various

Example: C Cardiovascular system

Second level[edit]

The second level of the code indicates the therapeutic subgroup and consists of two digits.[6]

Example: C03 Diuretics

Third level[edit]

The third level of the code indicates the therapeutic/pharmacological subgroup and consists of one letter.

Example: C03C High-ceiling diuretics

Fourth level[edit]

The fourth level of the code indicates the chemical/therapeutic/pharmacological subgroup and consists of one letter.

Example: C03CA Sulfonamides

Fifth level[edit]

The fifth level of the code indicates the chemical substance and consists of two digits.

Example: C03CA01 Furosemide

ATCvet[edit]

The Anatomical Therapeutic Chemical Classification System for veterinary medicinal products (ATCvet) is used to classify veterinary drugs. ATCvet codes can be created by placing the letter Q in front of the ATC code of most human medications. For example, furosemide for veterinary use has the code QC03CA01.

Some codes are used exclusively for veterinary drugs, such as QI Immunologicals, QJ51 Antibacterials for intramammary use or QN05AX90 amperozide.[7]

Defined daily dose[edit]

The ATC system also includes defined daily doses (DDDs) for many drugs. This is a measurement of drug consumption based on the usual daily dose for a given drug. According to the definition, "[t]he DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults."[8]

Adaptations and updates[edit]

National issues of the ATC classification, such as the German Anatomisch-therapeutisch-chemische Klassifikation mit Tagesdosen, may include additional codes and DDDs not present in the WHO version.[9]

ATC follows guidelines[10] in creating new codes for newly approved drugs. In order to create a new ATC code, an application has to be sent to the WHO. New ATC codes are published twice annually.[11] A formal release of new ATC edition occurs once a year.

See also[edit]

References[edit]

  1. ^ a b "ATC/DDD Methodology: History". WHO Collaborating Centre for Drug Statistics Methodology. 
  2. ^ "Comparison of the WHO ATC Classification & EphMRA/PBIRG Anatomical Classification" (PDF). EphMRA. Retrieved 7 January 2017. 
  3. ^ "EphMRA Anatomical Classification Guidelines 2016" (PDF). EphMRA. Retrieved 7 January 2017. 
  4. ^ "ATC: Structure and principles". WHO Collaborating Centre for Drug Statistics Methodology. 
  5. ^ "ATC/DDD Index". WHO Collaborating Centre for Drug Statistics Methodology. 
  6. ^ the Anatomical Therapeutic Chemical (ATC) classification system Structure
  7. ^ "ATCvet". WHO Collaborating Centre for Drug Statistics Methodology. Retrieved 2015-02-15. 
  8. ^ "DDD: Definition and general considerations". WHO Collaborating Centre for Drug Statistics Methodology. 
  9. ^ "ATC-Klassifikation mit DDD: Gesetzlicher Hintergrund" (in German). Deutsches Institut für Medizinische Dokumentation und Information. 
  10. ^ "Guidelines for ATC classification and DDD assignment". WHO Collaborating Centre for Drug Statistics Methodology. 2014-12-16. Archived from the original on 2015-08-06. 
  11. ^ "New ATC". WHO Collaborating Centre for Drug Statistics Methodology. 2015-04-29. 

External links[edit]

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