ATCDDD - Home (original) (raw)
Postal address:
Norwegian Institute of Public Health
WHO Collaborating Centre for Drug Statistics Methodology
Postboks 222 Sk�yen
0213 Oslo
Norway
Visiting/delivery address:
Myrens verksted 6H
0473 Oslo
Norway
Tel: +47 21 07 81 60
E-mail:
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
News
Temporary ATC/DDDs including alterations from the October 2024 meeting
New DDDs for combination products
ATC/DDD Methodology Questionnaire: We Need Your Input!
Temporary ATC/DDDs including alterations from the March 2024 meeting
New DDDs for combination products
Last updated: 2024-12-11