Tools, Technologies and Training for Healthcare Laboratories


FAQ's on Trends, R4s rules and more

Some questions and answers on trends, "Westgard Rules", manufacturer ranges, significant figures, quality requirements, and more. It's a real grab bag.

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Questioning Six Sigma metrics for the Laboratory

It is always good to challenge conventional wisdom. In revisiting the assumptions of the past, we sometimes find we have evolved beyond old practices and can adopt new ones. A recent series of questions posted on the AACC listserve deserves a broader audience.

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Questions from the Sigma Stronger webinar

In August 2021, the webinar, Sigma Stronger, covered the latest developments in quality benchmarking and updates to the design of QC procedures. After a lively question and answer session, all the questions that couldn't be answered live were saved for later reply. Here are all the questions and answers.

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About this website

WESTGARD QC promotes the latest news, education, and tools in the quality control field. Our goal is to bring tools, technology and training into today's healthcare industry — by featuring QC lessons, QC case studies and frequent essays from leaders in the quality control area. This is also a reference source for quality requirements, including CLIA requirements for analytical quality. This website features the best explanation of the Multirule ("Westgard Rules") and how to use them. For laboratory and healthcare professionals looking for educational and reference material in the quality control field.