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:
 
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ATC Index with DDDs

ATC indexThe WHO Collaborating Centre for Drug Statistics Methodology publishes an updated version of the complete ATC index with DDDs annually.  The ATC index is available in paper copy and includes one list sorted according to ATC codes, with all the established ATC codes and DDDs for plain substances, and one list alphabetically sorted according to nonproprietary drug names, including all ATC 5th levels. The ATC index is also available in electronic format (Excel or XML). Order form.

Access to a searchable version of the ATC Index with DDDs 2018 (including text from the Guidelines) is available free of charge on this website (ATC/DDD Index 2018).

Lists of the annual ATC/DDD alterations are distributed in November/December each year free of charge to the users of the ATC/DDD system according to a mailing list. Please contact the Centre if you want to receive this information ().

Suggested citation: WHO Collaborating Centre for Drug Statistics Methodology, ATC classification index with DDDs, 2018. Oslo, Norway 2017.

Cumulative lists of ATC/DDD alterations

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Last updated: 2018-02-01