WSLH Proficiency Testing, Your PT Provider Since 1966

With WSLH Proficiency Testing, you receive reliable, affordable, and easy-to-use laboratory proficiency testing products with rapid access to results.
Connect with our team of technical experts to request a free, no-obligation quote.

WSLH PT, providing a solid foundation for clinical laboratory improvement since 1966
Approved by CMS, and accepted by CAP, COLA, & The Joint Commission

Reliable, Affordable, & Easy-To-Use Proficiency Testing Programs

Experience superior customer service
Consult with an experienced Medical Technologist throughout the entire PT process
Replacement samples, off-schedule samples, & evaluation samples at low cost
Staggered shipments ease the burden on your staff
14-day average turnaround time on evaluation reports
Easy access to submission reports, instructions, worksheets, & more