VMRCVM logo Veterinary Extension of SNOMED CT© - April 2024 Release Available

April 1, 2024
The veterinary extension has been updated. This extension release is compatible with the February 2024 International release of SNOMED CT. Licensed SNOMED CT users may obtain a copy of this release by logging into this site. Users in the United States who obtained a SNOMED license through the National Library of Medicine may login to VTSL with a UMLS credentials. Non-US users in member countries and users in non-member countries who have obtained an Affiliate license at SNOMED.ORG can contact VTSL at to establish an account here. Login to VTSL to access this update via the Download page.

ANNOUNCEMENT: The Veterinary Terminology Services Laboratory has been asked to move our distribution and management of the Veterinary Extension to SNOMED Distributed Services in order to make it more readily available for international user needs. The next release (October 1, 2024) will be the first release availabe via SNOMED's Member Licensing and Distribution Services. We will also continue to provide the release files here for US entities via UMLS authentication. After the transition is complete (sometime during Summer of 2024), the Veterinary Edition of SNOMED CT (International Release plus Veterinary Extension content) will be available for browsing using the SNOMED Browser ( Our own browser will continue to be available here on our website as well.

Small Animal Problem and Diagnosis Terms Updated

April 1, 2024
The Small Animal Problem and Diagnosis Terms (SA-PDT) hava been updated to include requested concepts and descriptions and to align it with the February 2024 International release of SNOMED CT® and the April 2024 release of the Veterinary Extension to SNOMED CT. To obtain a copy of this release, login to VTSL (with a VTSL account or your UMLS credentials) and access it via the Documents page of the SA PDT project..

Client Services...

The Veterinary Terminology Services Laboratory (VTSL) is dedicated to practical application of standardized medical terminologies which facilitates the recording and analysis of clinical information, supports translational research activities and thereby improve animal and public health. Governmental and private organizations contract with VTSL to support practical application of standardized terminologies in veterinary medicine and public health. VTSL client services include terminology management, facilitated collaboration and education.

Terminology Management & Resources

We provide a variety of services to veterinary organizations that wish to deploy standardized terminologies. We also maintain and distribute the Veterinary Extension to SNOMED CT as well as subsets for the National Animal Health Laboratory Network, AAHA Diagnostic Terms and AAEP Diagnostic Terms.

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Facilitated Collaboration

We help veterinary organizations determine their own best approach to standardized terminologies.

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We make educational materials available to veterinary organizations deploying standardized terminologies and provide educational opportunities to individual veterinarians.

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Terminology Development

We believe that in order for SNOMED-CT® to contribute to Veterinary Medicine, its veterinary content must be enriched. VTSL acts, on behalf of various veterinary stakeholders, to facilitate the incorporation of high quality veterinary terminology content within the SNOMED-CT® universe.

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