WSLH Proficiency Testing

2601 Agriculture Drive
Room 233
Madison,  WI  53718

United States
https://wslhpt.org
  • Booth: 2822

YOUR LAB, OUR MISSION. Founded in 1966, WSLH Proficiency Testing is the public health lab that is on a mission to provide reliable, affordable and easy-to-use proficiency testing products with rapid access to results. Learn more at: wslhpt.org


 Press Releases

  • With WSLH Proficiency Testing, you get reliable, affordable, and easy-to-use clinical proficiency testing products with rapid access to results. WSLH PT offers a wide array of analytes and other year-round services, such as training & competency course products, calibration verification material, assayed sample sets, off-schedule ordering, and more.

    Explore your options for 2025 with WSLH Proficiency Testing. 
    Request a free, no-obligation quote today.


    WSLH PT is CMS-approved and accepted by CAP, COLA, and The Joint Commission. 


    About WSLH Proficiency Testing:
    As part of a national public health laboratory and Big Ten University, your lab is our mission.
    WSLH PT, serving laboratories like yours with quality clinical proficiency testing programming since 1966.

    Questions? Contact us: ptservice@slh.wisc.edu | (800) 462-5261
    Learn more at: wslhpt.org