August 19, 2025

Proficiency Testing (PT) is one of the most visible, and misunderstood, aspects of CLIA compliance. While being correct is important, it’s equally about how you treat PT samples, how thoroughly you document the process, and how you handle failures when they occur. Labs are frequently cited for PT issues even when their results are technically […]

Before any new test is used to produce patient results, CLIA requires you to verify that it performs accurately, precisely, and consistently in your lab and under your own conditions. Verification of performance specifications is one of the most critical and commonly overlooked CLIA requirements. Failing to verify a new test before clinical use is