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Proficiency Testing

From routine to esoteric, our programs help you deliver performance you can measure and accuracy you can trust.

New Programs Revealed

Maximize confidence in your test results with our new scientifically developed programs.

Proficiency Testing (PT) Programs


Laboratory medicine is changing at a rapid pace. Our comprehensive range of programs constantly evolve to keep you in step with these changes so you have more time for what matters most—accuracy in the laboratory.

External Quality Assurance (EQA) for International Laboratories

Join more than 20,000 laboratories around the world and partner with us on your journey to achieve continuous quality improvements and higher standards of care for patients.

Start your journey


e-LAB Solutions Suite (ELSS)

Learn how ELSS, our portal to manage your laboratory improvement and other tools integrate with our PT programs.

Sample Exchange Registry

Our Sample Exchange Registry connects laboratories performing testing where no formal PT is available.

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Anatomic Pathology Slide and Tissue Sample Donation Programs

Participate in programs that elevate the skills of pathologists and technologists.

Access Donation and Submission Forms

News and Updates

Regulatory Information

Stay informed and up-to-date with regulatory news as well as timely information about our PT programs.

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eAlerts provide need-to-know information about our laboratory improvement programs.

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