Terminology owner/maintenance organisation

Name, contact details, website

American Dental Association



Formal name of the code system

Systematized Nomenclature of Dentistry

Short name or abbreviation of the code system name

Technical identifier/s for the code system 

OID - 2.16.840.1.113883.3.3150      

ISO OID Secondary Identifier (Symbolic) - ada-snodent

Canonical URI -http://www.ada.org/snodent

Scope/domain statement for the code system

(Official or from HTA)

The Systematized Nomenclature of Dentistry (SNODENT) is an official subset of SNOMED CT, a vocabulary designed for use with electronic health and dental records. Its intended purpose is to:

  • Provide standardized terms for describing dental disease
  • Capture clinical detail and patient characteristics
  • Permit analysis of patient care services and outcomes
  • To be interoperable with Electronic Health Records (EHR) and Electronic Dental Records (EDR)

Link to information about the code system - including how to obtain the content


Arrangement or agreements with HL7 for use of content

Agreement that HL7 may publish and use SNODENT content in international standards
Version management - timing and identification of versionsSNODENT releases coincide with the SNOMED CT releases in January and July respectively.  Versions identified using dates

IP Information and Licensing Information

SNODENT is owned and maintained by the ADA.  A (free of charge) license to use SNODENT content may be obtained from ADA at https://www.ada.org/en/member-center/member-benefits/practice-resources/dental-informatics/snodent/snodent-license-application

HL7 users of this information - which HL7 products use this link (if known)

Payer Provider Information Exchange (for example)

Process to request content change

Change requests may be made to ADA using their form (https://www.ada.org/en/member-center/member-benefits/practice-resources/dental-informatics/snodent/change-request-form#preamble).  Please read the preamble and guidelines to ensure that requests comply with these.

Other useful Information

In order to support implementations such as the Payer Provider Information Exchange, based on the existing SOU that ADA has with HL7, ADA has kindly agreed that SNODENT content may be provided through the UTG as a code system with content.  This effectively means that UTG is providing a Terminology Service for this content.  

Information current as at (date)

Information current as at: April 2020
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