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Request a Change to the Code

Request a CDT Code Addition, Revision, Deletion

Change requests may be submitted at any time, and the date received determines the CDT Code version that may incorporate the requested action. The annual closing date for submissions is November 1st. Any requests received after the closing date will be addressed in the next annual maintenance cycle.

Request a Change to the Code

  • CDT Code Action Request & Copyright Form(s)
  • Form Completion Instructions
  • Submission and Evaluation Guidelines
  • Components of a Dental Procedure Code
  • Resubmission of a Rejected Request

Transmitting Your CDT Code Change Action Request

Via the Internet:

Completed request forms must be submitted in unprotected MSWord® format via email to

  • A submission will be returned for correction if it is: a) not an unprotected MS Word document; b) not on the current Action Request format; or c) it is missing “Required” information.

The email to must also include: 1) your completed and signed ADA copyright assignment form; and 2) supporting information in electronic form (e.g., PDF), with permissions to reproduce when copyright protected.

  • Submissions without a copyright assignment form will not be forwarded to the CMC for consideration
  • Supporting material that is copyright protected without permission to reproduce will not be forwarded to the CMC for consideration. Electronic transmission via email is required
  • All supporting documentation or literature must be submitted in an unprotected password format.

NOTE: Contact CMC Secretariat staff if you do not receive an acknowledgement of receipt within 15 days of submission. 


Please direct your questions concerning code change request submission to the CMC Secretariat staff via email via email You can also reach out to us from 8:00 a.m. to 5 p.m. Central time, Monday through Friday by phone 800.621.8099.