What Are the Key Components of Proficiency Testing?
1. Sample Distribution: High-quality, representative samples are sent to participating laboratories. 2. Analysis and Reporting: Laboratories process and analyze the samples, then submit their results to the PT provider. 3. Evaluation: The PT provider assesses the results against predetermined criteria or consensus from multiple labs. 4. Feedback: Laboratories receive feedback on their performance, highlighting any discrepancies and providing guidance for improvement.