Temporary ATC/DDDs including alterations from the April 2026 meeting
Published Friday July 17 2026

Lists of temporary ATC codes, temporary DDDs and alterations decided at the latest meeting of the WHO International Working Group for Drug Statistics Methodology April 2026 are now published on the website (Lists of temporary ATC/DDDs and alterations).

Comments or objections to the decisions from the meeting should be forwarded to the WHO Collaborating Centre for Drug Statistics Methodology before 20 August 2026. If no objections are received before this date, the new ATC codes, DDDs and alterations will be considered final and included in the January 2027 version of the ATC/DDD Index.