WHOCC
Postal address:
WHO Collaborating Centre for Drug Statistics Methodology
Norwegian Institute of Public Health
P.O.Box 4404 Nydalen
0403 Oslo
Norway

Visiting/delivery address:
Marcus Thranes gate 6
0473 Oslo
Norway

Tel:  +47 21 07 81 60
E-mail:
 
Copyright/Disclaimer

Alterations in ATC/DDD

Lists of ATC/DDD alterations decided at the latest meeting of the WHO International Working Group for Drug Statistics Methodology. Comments or objections to the ATC/DDD alterations should be forwarded to the WHO Collaborating Centre for Drug Statistics Methodology within the deadline. If no objections are received, the alterations will be considered final and included in the ATC/DDD Index. The year of implementation in the ATC/DDD Index is given in the list. 

Please note that all ATC and DDD alterations are valid and implemented annually.

 

 

 

Change of DDDs

ATC codeLevel namePrevious DDDNew DDDDeadline for objection to temporary alterations Implementation in ATC/DDD index
J01CR02amoxicillin and beta-lactamase inhibitor 1)1 g O1.5 g O01.02.20182019
J01CA04amoxicillin1 g O1.5 g O01.02.20182019
J01CA04amoxicillin1 g P3 g P01.02.20182019
J01CA01ampicillin2 g P6 g P01.02.20182019
J01DE01cefepime2 g P4 g P01.02.20182019
J01MA02ciprofloxacin0.5 g P0.8 g P01.02.20182019
J01XB01colistin3 MU P9 MU P01.02.20182019
J01DH02meropenem2 g P3 g P01.02.20182019
1) New ATC level name valid from 2018

Change of ATC level name

Change in ATC codes

INN/generic namePrevious ATC codeNew ATC codeDeadline for objection to temporary alterations Implementation in ATC/DDD index
No temporary ATC alterations

Last updated: 2017-11-28