The Code on Dental Procedures and Nomenclature

Your Online Resource for ADA Dental Code Information

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Accurate recording and reporting of dental treatment is supported by a set of ADA dental codes that:

  1. have a standard format
  2. are at the appropriate level of specificity
  3. can be applied uniformly
  4. are used to report dental procedures provided under public and private dental insurance benefit plans

In addition, the code set should contain the appropriate number of procedure codes that adequately encompass commonly accepted dental procedures.

Dentist and Patient

The Code and HIPAA

On August 17, 2000 the Code was named as a HIPAA standard code set. Any claim submitted on a HIPAA standard electronic dental claim must use dental procedure code from the version of the Code in effect on the date of service.

The Code is also used on dental claims submitted on paper, and the ADA maintains a paper claim form whose data content reflects the HIPAA standard electronic dental claim.

Current CDT Code Version – 2024

The Code is periodically reviewed and revised to reflect the dynamic changes in dental procedures that are recognized by organized dentistry and the dental community as a whole. Revisions to the Code are published and effective biennially, at the start of odd-numbered years.

UPDATE: As of 2013, CDT is now published annually.

The version of the Code that is effective January 1, 2024 through December 31, 2024 is published by the ADA in the manual titled CDT 2024.

CPT Codes

See special offers, code information, and code changes for CPT.


See special offers, code information, and HCPCS code modifiers.

ICD-10-CM Codes

See special offers, code information, and code changes for ICD-10-CM.