CDC is strongly recommending that laboratories check their positive results with confirmatory testing. Here's Why and Here's How.
Basic Method Validation
Expanding on a previous lesson on Clinical Agreement, Dr. Westgard discusses the Predictive Value of a Laboratory Test
How do you validate a qualitative test? Here's an introduction to a tiny little tool you might find useful for virus assay validation
In this first lesson, Dr. Paulo Pereira introduces some of the basic concepts of method validation that apply when a qualitative method is being evaluated.
CLIA and CAP require continuous calibration verification. Interestingly, the regulations aren't that specific about how to judge whether or not the calibration is successful.