8-1
8 Using the QC Programs
8.1 Introduction
Quality Control (QC) consists of strategies and procedures that measure the precision and
stability of the analyzer. The results imply the reliability of the sample results. QC involves
measuring materials with known, stable characteristics at frequent intervals. Analysis of the
results with statistical methods allows the inference that sample results are reliable. Mindray
recommends you run the QC program daily with low, normal and high level controls. A new
lot of controls should be analyzed in parallel with the current lot prior to their expiration dates.
This may be accomplished by running the new lot of controls twice a day for five days using
any empty QC files. The QC files calculate the mean, standard deviation and coefficient of
variation for each selected parameter. The instrument-calculated means of these ten runs
should be within the expected ranges published by the manufacturer.
The BC-3000 Plus provides 4 QC programs: L-J Analysis,
X
Analysis,
X
-R Analysis and
X-B Analysis.
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