
Thank you for your interest in WSLH Proficiency Testing
With WSLH Proficiency Testing, you receive reliable, affordable, and easy-to-use laboratory proficiency testing products with rapid access to results.

Welcome to WSLH PT! Let’s get started with a few basics:
View resources on our website:
Watch Introduction Video – For an overview of the PT process
Download Handbook – A good reference tool
View Shipping Calendar – Also on your enrollment confirmation
Read General Instructions – For handling shipments
View Training Tutorials – For data entry, reports and more
Need to update your account?
Want to view more products?
Need to contact us?
- EMAIL: ptservice@slh.wisc.edu
- PHONE: (800) 462-5261
Stay tuned for more resources and other important information:
- New Login & Password: You will receive a New login and password on your shipment paperwork to access our lab data entry system. Your login number is the same as your WSLH PT ID, and is helpful to provide when contacting us.
- Shipping Schedule: Please refer to your enrollment confirmation for your customized shipping schedule.
- Replacement Samples: Use our Contact Us form or click the Contact Us tab in PT Central to request replacement samples. You may also call (800) 462-5261 for replacement samples. Replacements may be subject to charge.
Reliable, affordable, and easy-to-use proficiency testing products
EASE THE BURDEN ON STAFF
Superior technical support from our team of Medical Technologists
MANAGE DATA WITH PT CENTRAL
Easy transition to a similar web-based proficiency testing account software
COMPARABLE PRICING & PROGRAMS
Replacement samples, off-schedule events, and validation materials at low cost
RAPID ACCESS TO RESULTS
14-day average turnaround time on your evaluation reports
Your Lab, Our Mission
WSLH Proficiency Testing is your PT provider, backed by a national public health lab and a Big Ten university.
Watch the video to learn more about WSLH PT >>>
WSLH PT, providing a solid foundation for clinical laboratory improvement since 1966.