Registry Anatomical Therapeutic Chemical Classification System

The Anatomical Therapeutic Chemical (ATC) classification system, divides active substances into different groups according to the organ or system on which they act and their therapeutic, pharmacological and chemical properties. Drugs are classified in groups at five different levels; Drugs are divided into fourteen main groups (1st level), with pharmacological/therapeutic subgroups (2nd level). The 3rd and 4th levels are chemical/pharmacological/therapeutic subgroups and the 5th level is the chemical substance. The Anatomical Therapeutic Chemical (ATC) classification system and the Defined Daily Dose (DDD) is a tool for exchanging and comparing data on drug use at international, national or local levels.

Prefix
atc
Alternative Prefixes
ATTC ATC_code
Links
Homepage
Contact
Missing Contact
Pattern
^[A-Z](\d+([A-Z]{1,2}(\d+)?)?)?$
Namespace in Pattern
False
Example Identifier
A10BA02   Resolve
Metaregistry

The metaregistry provides mappings between the Bioregistry and other registries. There are 5 mappings to external registries for atc.

Registry Name Metaprefix Metaidentifier
BioPortal Prefixes bioportal ATC
Identifiers.org miriam atc
Name-to-Thing n2t atc
Prefix Commons prefixcommons ATC
Wikidata Property wikidata P267
Providers

Providers are various services that resolve CURIEs to URLs. The example CURIE atc:A10BA02 is used to demonstrate the provides available for atc. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URL
Anatomical Therapeutic Chemical Classification System atc http://www.whocc.no/atc_ddd_index/?code=A10BA02
Bioregistry bioregistry https://bioregistry.io/atc:A10BA02
Identifiers.org miriam https://identifiers.org/atc:A10BA02
Name-to-Thing n2t https://n2t.net/atc:A10BA02