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University of Wisconsin Crest

WSLH Proficiency Testing

Wisconsin State Laboratory of Hygiene

MLO Readers – Request Your Custom Quote

Excel beyond compliance with WSLH PT

Get started by requesting your free, no-obligation quote below:

Questions? Contact WSLH PT Customer Service here.
WSLH Proficiency Testing, your PT provider backed by a national public health lab and a Big Ten university. 

WSLH PT is approved by CMS, and accepted by CAP, COLA, and The Joint Commission.
Serving clinical laboratories nationwide since 1966. Your Lab, Our Mission.