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 in ATC codes
| INN/generic name | Previous ATC code | New ATC code | Deadline for objection to temporary alterations | Implementation in ATC/DDD index |
|---|---|---|---|---|
| No alterations. |
Change of ATC level name
| Previous name | New ATC level name | ATC code | Deadline for objection to temporary alterations | Implementation in ATC/DDD index |
|---|---|---|---|---|
| metronidazole, combinations | metronidazole and furazolidone | P01AB51 | 01.02.2021 | 2022 |
| proguanil, combinations | proguanil and atovaquone | P01BB51 | 01.02.2021 | 2022 |
| Triazole derivatives | Triazole and tetrazole derivatives | J02AC | 01.02.2021 | 2022 |
Change of ATC code and/or ATC level name based on new ATC 4th levels established
| Previous ATC code and level name | New ATC code and/or level name | |||
|---|---|---|---|---|
| R06AA02 1) | diphenhydramine | R06AA11 dimenhydrinate | 01.02.2021 | 2022 |
1) Splitting of ATC code. Products containing dimenhydrinate (rINN)/diphenhydramine teoclate are moved to the new code. Product containing diphenhydramine chloride will remain in R06AA02.
Change of DDDs
| ATC code | Level name | Previous DDD | New DDD | Deadline for objection to temporary alterations | Implementation in ATC/DDD index |
|---|---|---|---|---|---|
| No alterations. |
Last updated: 2020-12-14