Proficiency Testing | Wisconsin State Laboratory of Hygiene

WSLH Proficiency Testing has been a provider of proficiency testing services for over 50 years. As the only proficiency testing provider that is part of a working laboratory and a top US public university, our mission is focused on promoting education and public health to laboratories nationwide.

WELCOME TO WSLH PT!

WSLH Proficiency Testing serves laboratories by providing proficiency testing services plus unparalleled customer service at a competitive price.

Since 1966, our mission has been to improve patient testing and public health by administering robust proficiency testing programs that promote education, quality laboratory testing, and professional competency.

Tour our site to view our wide array of ordering options including quality assurance, calibration verification/linearity, and continuing education.