The Anatomical Therapeutic Chemical Classification System is used for the classification of drugs. Taxonomy is the practice and science of classification The word comes from the Greek, taxis (meaning 'order' 'arrangement' and, nomos Medication, also referred to as medicine, can be loosely defined as any substance intended for use in the diagnosis cure mitigation treatment or prevention of disease It is controlled by the WHO Collaborating Centre for Drug Statistics Methodology, and was first published in 1976. Year 1976 ( MCMLXXVI) was a Leap year starting on Thursday (link will display full calendar of the Gregorian calendar.
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. Medicine is the art and science of healing It encompasses a range of Health care practices evolved to maintain and restore Human Health by the Chemical classification systems attempt to classify elements or compounds according to certain chemical functional or structural properties
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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:
Second level
The second level of the code is based on the therapeutic main group and consists of two digits. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System. A section of the Anatomical Therapeutic Chemical Classification System.
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.
External links
- Official ATC website, hosted by the WHO Collaborating Centre for Drug Statistics Methodology
- ATC
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