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:
Myrens verksted 6H
0473 Oslo
Norway

Tel:  +47 21 07 81 60
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ATC level alterations

List of latest ATC/DDD decisions from the WHO International Working Group for Drug Statistics Methodology. Comments or objections to the decisions should be forwarded to the WHO Collaborating Centre for Drug Statistics Methodology within the deadline (see list). If no objections are received, the new ATC/DDD decisions will be considered final and included in the ATC/DDD Index. In the list final indicates that the date for objection has expired. The year of implementation in the ATC/DDD Index is given in the list.

Please note that the ATC and DDD alterations are only valid and implemented in the coming annual updates of January 1st.

Previous ATC codeATC level nameNew ATC codeDeadline for objection to temporary alterations Implementation in ATC/DDD index
L01XX59enasidenibL01XM0101.02.20242025
L01XX62ivosidenibL01XM0201.02.20242025

Last updated: 2023-12-12