These tables of medical decision levels provide possible critical decision levels - where you can assess performance (CV, bias) and determine the Sigma-metrics and appropriate QC procedures.

These figures are quoted from Statland BE. Clinical Decision Levels for Laboratory Tests, Second Edition [Oradell NJ;Medical Economics Books, 1987.] with permission.

This glossary lists the definitions of many of the key terms in quality control and assurance.

Back in the 1990s, the early life of this website, there was an AACC online course called QC Planning. A reference list for that course was created. We still make this available for those interested.

This glossary covers the official definitions of terms according to ISO standards and guidelines.