Now that we agree that we need to plan quality, and that we've decided on a practical process to do it, there's just one hitch left: Where do we find quality requirements? How do we reconcile CLIA PT criterion, clinical decision levels, analytical quality requirements, biological variation, etc.? What does it mean when a salesman says his instrument is "state of the art"? What state? What art? Dr. Westgard introduces a system of quality standards to allow you to determine the quality required for every test. (Preview)