WHOCC
Postal address:
WHO Collaborating Centre for Drug Statistics Methodology
Norwegian Institute of Public Health
Postboks 222 Sk°yen
0213 Oslo
Norway

Visiting/delivery address:
Sandakerveien 24C
Bygg C
0473 Oslo
Norway

Tel:  +47 21 07 81 60
E-mail:
 
Copyright/Disclaimer
ATC/DDD

International language for drug utilization research

The Anatomical Therapeutic Chemical (ATC) classification system and the Defined Daily Dose (DDD) as a measuring unit have become the gold standard for international drug utilization monitoring and research.

The ATC/DDD system is a tool for exchanging and comparing data on drug use at international, national or local levels.

Welcome to the WHO Collaborating Centre for Drug Statistics Methodology 

 

 

The WHO Collaborating Centre for Drug Statistics Methodology will be closed between 11 July and 27 July 2020 due to summer holidays. 

 

 

News

New ATC/DDDs and alterations from the 2 April 2020 meeting
Updates of the list of DDDs for combined products
The meeting of the WHO International Working Group of Drug Statistics Methodology 19 March 2020 has been postponed
Course in ATC/DDD - postponed
Updates of the list of DDDs for combined products
ATCvet

Last updated: 2020-07-10