With WSLH Proficiency Testing, you receive reliable, affordable, and easy-to-use laboratory proficiency testing products with rapid access to results.
Connect with our dedicated team today to request a quote.
Watch the video to learn more about WSLH Proficiency Testing.
We are your PT provider, backed by a national public health lab and a Big Ten university.
WSLH PT, providing a solid foundation for clinical laboratory improvement since 1966. We are CMS approved, and accepted by CAP, COLA, & The Joint Commission.
Reliable, Affordable, & Easy-To-Use Laboratory Proficiency Testing
Ongoing technical support with our team of experienced Medical Technologists
Replacement samples, off-schedule samples,
& evaluation samples always at low cost
Staggered shipments ease
the burden on your lab staff
14-day average turnaround
time on evaluation reports
Easy access to submission reports,
worksheets, instructions, and more
Stay Informed about Laboratory Proficiency Testing




Laboratory Proficiency Testing Highlights
AAFP PT Customers
Formerly enrolled with AAFP? | Click Here
Limited Time Offer: Get 10% off*
*When you order $500 or more of calibration verification products with us | Learn More
View Our Clinical Catalog
New & Enhanced Products
View Our Shipping Schedule
Upcoming clinical lab Conferences
Stop by our booth | View Schedule
PT Data Upload Feature
Automate quantitative data entry | Learn More
WSLH PT News and Features

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