HL7 Terminology (THO)
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American Dental Association Area of Oral Cavity System Metadata Record

Metadata Record Information Version 20251031
Maintained By HL7 Terminology Services Management Group (TSMG)
Last Updated Date 31 October 2025
Responsible Organizations American Dental Association (ADA) Roles
  • Code System Owner
  • Code System Maintainer (Steward)
  • Code System Publisher
Website https://www.ada.org/
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Code System Names Formal name American Dental Association Area of Oral Cavity System
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Code System Technical Identifiers Identification Record
TSMG-endorsed URI http://terminology.hl7.org/CodeSystem/ADAAreaOralCavitySystem
TSMG-endorsed OID Not Assigned
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Description
The Area of Oral Cavity System is accepted and approved by the ADA and is the most commonly used system used by dental professionals in America. Area of the oral cavity is designated by a two-digit code. The Area of Oral Cavity System can be found in the ADA Comprehensive ADA Dental Claim Form Completion Instructions (see https://www.ada.org/-/media/project/ada-organization/ada/ada-org/files/publications/cdt/v2019adadentalclaimcompletioninstructions_v3_2022feb.pdf). For more information see here: https://www.ada.org/publications/cdt/ada-dental-claim-form. A Statement of Understanding (SOU) between ADA and HL7 exists here: http://www.hl7.org/documentcenter/public/mou/ADA%20HL7%20SOU%202021_signed.pdf
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Code System Copyright, Intellectual Property and Licensing Copyright Statement
No official copyright statement is available. For general information see paper form located here : https://www.ada.org/-/media/project/ada-organization/ada/ada-org/files/publications/cdt/v2019adadentalclaimcompletioninstructions_v3_2022feb.pdf
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