Levey-Jennings chart
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qual·i·ty con·trol chart
a chart illustrating the allowable limits of error in laboratory test performance, the limits being a defined deviation from the mean of a control serum, most commonly ± 2 SD.
See also: quality control.
See also: quality control.
Synonym(s): Levey-Jennings chart
Farlex Partner Medical Dictionary © Farlex 2012
qual·i·ty con·trol chart
(kwahl'i-tē' kŏn-trōl' chahrt)A chart illustrating the allowable limits of error in laboratory test performance, the limits being a defined deviation from the mean of a control serum, most commonly ±2 standard deviations.
Synonym(s): Levey-Jennings chart.
Synonym(s): Levey-Jennings chart.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
Levey-Jennings chart
(lev′ē-jen′ingz) [S. Levey, 20th-cent. U.S. statistician; E.N. Jennings, 20th-cent. U.S. statistician]
A graphical representation of control data, arranged in chronological order, that shows a mean or target value and one or more sets of acceptable limits.
Medical Dictionary, © 2009 Farlex and Partners