
Thank you for choosing 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 contact us?
- EMAIL: ptservice@slh.wisc.edu
- PHONE: (800) 462-5261
Need to update your account?
Stay tuned for more resources and other important information:
- Your PT Central Login and Password will be listed on your shipment paperwork
- Watch for welcome email series to highlight shipment topics and more starting in January
- As our valued customer, you will receive monthly customer newsletters starting in February
Reliable, Affordable, & Easy-to-Use Proficiency Testing Products

Your lab, Our Mission
WSLH Proficiency Testing is your PT provider, backed by a national public health lab and a Big Ten university
WSLH PT, providing a solid foundation for clinical lab improvement since 1966
Why clinical labs are making the switch to WSLH PT:
Ease The Burden On Staff
Our team of experienced Medical Technologists provide you one-on-one consultations, educational resources, & more
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 a low cost for participants
Rapid Access To Results
14-day average turnaround time on evaluation reports
A Look At PT Central
Web-based, proficiency testing account software with familiar look and feel
Manage your data with PT Central
Also, check out our resources, including video overviews of PT Central & more

