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| A |
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+ | | ATC code A|Alimentary tract and metabolism |
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| B |
| B |
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| − | | |
+ | | ATC code B|Blood and blood forming organs |
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| C |
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+ | | ATC code C|Cardiovascular system |
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| − | | D || |
+ | | D || ATC code D|Dermatologicals |
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| G |
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+ | | ATC code G|Genito-urinary system and sex hormones |
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| H |
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| J |
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+ | | ATC code J|Anti-infectives for systemic use |
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| L |
| L |
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| − | | |
+ | | ATC code L|Antineoplastic and immunomodulating agents |
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| M |
| M |
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+ | | ATC code M|Musculo-skeletal system |
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| − | | N || |
+ | | N || ATC code N|Nervous system |
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| P |
| P |
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+ | | ATC code P|Antiparasitic products, insecticides and repellents |
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| − | | R || |
+ | | R || ATC code R|Respiratory system |
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| − | | S || |
+ | | S || ATC code S|Sensory organs |
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| − | | V || |
+ | | V || ATC code V|Various |
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Revision as of 13:44, 29 October 2007
The Anatomical Therapeutic Chemical Classification System is used for the classification of drugs. It is controlled by the WHO Collaborating Centre for Drug Statistics Methodology, and was first published in 1976.
The classification system divides drugs into different groups according to the organ or system on which they act and/or their therapeutic and chemical characteristics.
Classification
In this system, drugs are classified into groups at 5 different levels:
First level
The first level of the code is based on a letter for the anatomical group and consists of one letter; there are 14 main groups:
| 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 | Anti-infectives 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 |
Second level
The second level of the code is based on the therapeutic main group and consists of two digits.
Third level
The third level of the code is based on the therapeutic/pharmacological subgroup and consists of one letter.
Fourth level
The fourth level of the code is based on the chemical/therapeutic/pharmacological subgroup and consists of one letter.
Fifth level
The fifth level of the code is based on the chemical substance subgroup and consists of two digits.
See also
External links
- Official ATC website, hosted by the WHO Collaborating Centre for Drug Statistics Methodology