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

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

Tel:  +47 21 07 81 60

Lists of temporary ATC/DDDs and alterations

New ATC codes, DDDs and alterations are published twice annually. On this website you will find lists of new ATC codesDDDs and alterations which are not included in the current electronic/printed version of the ATC/DDD index. Both temporary and final ATC codes, DDDs and alteration are included in the lists. 

The complete list of the new ATC codes, DDDs and alterations decided at the March meeting of the WHO International Working Group for Drug Statistics Methodology is available in Excel format here.

Please note that new ATC codes/DDDs and alterations included in the ATC Index 2021 are published  here.




Last updated: 2021-05-04