Frequently-Asked-Questions (FAQs) about "Westgard Rules" and multirules.

Plus, some questions about Immunassays and QC (scroll down past the first section).

Think you're the only one who doesn't do QC perfectly? You're not alone. In this article, we look at numerous examples from readers, where the best intentions have gone astray. By seeing how QC practices go wrong in the real world, we can learn what we need to do better.

A discussion of how multirule procedures are implemented in the [now no longer offer] QC Validator program. These answers also apply to the latest version of our QC Design software, EZ Rules 3.

Also included is a discussion of what a "run" is and how to define it for today's modern random access analyzers. Plus patient averages and moving averages. (Scroll down past the first section)

More than 2,000 laboratory professionals registered for the Westgard Zoom on Chasing the Mean, a frank discussion of PT, EQA, and peer groups. So many questions raised that couldn't be answered during the time of the call, we saved and answered them here.

At the 40th birthday party of the "Westgard Rules", a generous serving of questions and answers were served, along with some virtual cake.

We had hundreds of participants at the Westgard Zoom on Linearity and Reportable Range. And many questions raised that couldn't be answered during the time of the call. So here are the answers we couldn't give during the zoom.