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

Visiting/delivery address:
Myrens verksted 6H
0473 Oslo

Tel:  +47 21 07 81 60

Lists of temporary ATC/DDDs and alterations

New ATC codes, DDDs and alterations decided by WHO International Working Group for Drug Statistics Methodology are published twice annually (April/May and November). Here you will find the lists of new ATC codes, DDDs and alterations not included in the annual update of the ATC/DDD Index. 

The complete list of the new ATC codes, DDDs and alterations decided at the March 2024 meeting is available in Excel format here.

Please note that new ATC codes/DDDs and alterations included in the ATC Index 2024 are published  here.


Last updated: 2024-05-07