The CDT Code

The Code on Dental Procedures and Nomenclature (the CDT Code) assures consistency in documenting dental treatment.

Frequently Asked Questions
CDT 2026 Terminology/Coding books

Announcements

March 2026 CMC Actions Summary Report and 2027 Meeting Dates

The Code Maintenance Committee (CMC) convened its Annual Meeting on March 13, 2026, to agree upon CDT Code changes to be incorporated into CDT 2027. Information about the CMC’s decisions are available in the “March 2026 Code Maintenance Committee (CMC) Meeting Decisions” report available online on the Code Maintenance Committee page to any interested person or organization to download for free.

The next annual CMC meeting is scheduled to convene at ADA Headquarter, 401 N. Michigan Avenue, 34th floor on March 4th and 5th, 2027 (Thursday – Friday). More Info.

March 2026 CMC Actions Summary Report and 2027 Meeting Dates

The Code Maintenance Committee (CMC) convened its Annual Meeting on March 13, 2026, to agree upon CDT Code changes to be incorporated into CDT 2027. Information about the CMC’s decisions are available in the “March 2026 Code Maintenance Committee (CMC) Meeting Decisions” report available online on the Code Maintenance Committee page to any interested person or organization to download for free.

The next annual CMC meeting is scheduled to convene at ADA Headquarter, 401 N. Michigan Avenue, 34th floor on March 4th and 5th, 2027 (Thursday – Friday). More Info.

ADA members benefit from free coding assistance
Free coding assistance is available to all ADA members, plus any non-member who has purchased the current manual. Please contact the Member Service Center at 800.621.8099 or dentalcode@ada.org.
Glossary of Administrative Terms
Terms dentists and staff may encounter when interacting with dental benefit plans
Glossary of Clinical Terms
Clinical terms encountered when selecting the appropriate CDT Code
Coding Education
Informational materials for CDT Code procedures and reporting
Code Maintenance Committee
Committee meeting and process information
Request a Change to the Code
Request a CDT Code addition, revision, or deletion
CDT Publication Errata
CDT publications with misprints or omissions
ADA Dental Claim Form
Instructions for completing the ADA Dental Claim Form
CDT Code in the News
ADA news articles related to CDT Codes