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  1. NAPT | Proficiency Testing, Metrology & Calibration Services

    The National Association for Proficiency Testing (NAPT) is the most trusted name in the metrology community for reliable, independent proficiency testing kits. As the only non-profit …

  2. Proficiency Testing - College of American Pathologists

    Jul 25, 2025 · Our comprehensive range of proficiency testing (PT)/external quality assessment (EQA) spans 16 disciplines—giving you the tools you need to verify the accuracy and reliability …

  3. Purpose of Proficiency Testing Explained - qse-academy.com

    Feb 19, 2025 · At its core, proficiency testing (PT) is a way to evaluate the accuracy and reliability of testing laboratories. It’s like a quality check that ensures a lab’s results are correct and …

  4. 6 reasons why Proficiency Testing is important | LGC Standards

    Put simply, proficiency testing (PT) is an essential tool for helping to ensure that your laboratory gets its results right – both now and into the future. By assessing the actual results produced …

  5. Accredited Proficiency Testing Programs for Laboratories | ASTM

    To both meet and maintain accreditation, thousands of labs from around the world come to ASTM for their proficiency testing needs. We offer a wide range of program offerings, with support …

  6. What is Proficiency Testing?

    Proficiency testing determines the performance of individual laboratories for specific tests or measurements and is used to monitor laboratories’ continuing performance.

  7. What Is CAP Proficiency Testing and Why Is It Important?

    Jul 25, 2025 · Proficiency testing in laboratory medicine evaluates the accuracy and reliability of a laboratory’s test results. It involves external assessment of a lab’s performance by comparing …