The American Dental Association’s CDT procedure codes and nomenclature* have been updated for 2021. The CDT updates for 2021 include 28 new codes, four code deletions and 11 nomenclature and description revisions.

Please review our summary of changes and claims processing policies (PDF) and begin using CDT 2021 codes on claims for procedures provided on and after Jan. 1, 2021.

*CDT coding and nomenclature are the copyright and a trademark of the American Dental Association, all rights reserved.