A discussion of how multirule procedures are implemented in the 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)

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In this article, Dr. Sharon Ehrmeyer addresses frequently-asked-questions about CLIA'88, JCAHO, and CAP. This is an older article. Readers seeking the most up-to-the-minute information on regulations should check our CLIA series

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Frequently-Asked-Questions about control materials, new lots, expiration dates, recording results, etc. Also, some more discussion of the best way to apply and interpret the "Westgard Rules"

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

If you don't see the question that you'd like to see answered, please send it in to This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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Please Note: The Basic Method Validation manual is now in its THIRD edition. The questions presented in this article are drawn from the first edition. Many of the answers here still apply, but some things, particularly on the regulatory side, have changed dramatically.

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