WSLH Proficiency Testing, Your PT Provider Since 1966

Order CLIA-Regulated Blood Lead PT See item PT01080 in our Program Catalog. Three shipments per year, five samples per shipment. Quality Evaluation samples are also available (PT01085).

New Resource! Post Event Follow-up & Troubleshooting guides and worksheets available under the Resources & FAQ menu.

WSLH Proficiency Testing delivers affordable, high-quality laboratory proficiency testing products with rapid access to results.
Connect with our team of technical experts to request a free, no-obligation quote.

Your Lab, Our Mission

Assuring patient testing accuracy is your laboratory’s primary focus. Backed by a national public health laboratory and a Big Ten university, WSLH Proficiency Testing serves as a true extension of your quality management team to support that mission.

We provide the reliable data, easy-to-use products, and dedicated support you need to navigate compliance with absolute confidence. Approved by CMS, and accepted by CAP, COLA, & The Joint Commission.

Reliable, affordable, and easy-to-use proficiency testing programs

Explore Our Programs | View Our 2027 Catalog

Expert Guidance: One-on-one consultations with dedicated Medical Technologists.
Order Flexibility: Low-cost replacement, off-cycle, and evaluation samples.
Staff Efficiency: Staggered shipments designed to reduce lab workload.
Fast Reporting: Industry-leading 14-day average turnaround on evaluations.
Digital Tools: Instant access to clinical proficiency testing worksheets and instructions.