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 October 2024 meeting is available in Excel format here.

Please note that new ATC codes/DDDs and alterations included in the ATC Index 2025 are published  here.