CDT Procedure Code Information

This section provides processing policies and procedures for the American Dental Association's new CDT codes.

This information is to be used only as a general guideline in determining benefits under the new codes. The benefits listed are for a standard contract. Some groups may choose to alter the way the codes are processed. For specific information, you should have the treatment preauthorized before you begin treatment to assure you of the availability of benefits according to your patient's dental care program contract.

If you have questions regarding current procedure codes, please call Washington Dental Service's Customer Service team at (206)522-2300 or (800)554-1907.

Click below to download the CDT Washington Dental Service procedure codes. 

• Procedure Codes Needing Attachment
  A list of procedures codes that require documentation and what is required.
• 2007/2008 CDT Codes
  The list of valid ADA procedure codes for 2007 and 2008.
• 2009/2010 CDT Codes
  This is the list of all current ADA procedure codes with their nomenclature.
• Claim Comment Key Words
  Key words that cause a claim to stop for review of additional information.