NAHLN Laboratories

Last Modified: March 29, 2024

This page provides important information for existing NAHLN labs, including SOP lists and maps of current NAHLN laboratories. The lists and maps are updated as changes occur. Information on joining the NAHLN is also provided below.

US map showing locations and designations of all NAHLN laboratories

Find Approved NAHLN Labs

View information for current NAHLN laboratories by State, designation, or disease testing. Or, view all labs.

Labs by State

Labs by Designation

Learn More About NAHLN Laboratories

For more information on NAHLN membership requirements or how your laboratory can join, please contact the NAHLN Program Office.

Read more about the approval process

All proficiency tests for the NAHLN are administered through the National Veterinary Services Laboratories' (NVSL) reference laboratories. 

View the current list of proficiency test panels available from NVSL

Information for commercial manufacturers of reagents and testing platforms on minimum validation requirements for acceptance into the NAHLN. Additional approvals by the NVSL, VS' Center for Epidemiology and Animal Health, and the appropriate commodity program may be required prior to deployment of new test methods to NAHLN laboratories.

For questions regarding this process, contact the NAHLN Program Office at For information on test panel availability, contact

View NAHLN approval process