Quality Control
•UQC programs depend on specimens that are reproducible and are usually purchased from a supply company.
•UThese specimens are called Acontrols@ and the manufacturer supplies the acceptable range (" 2 SD) for each analyte.
•UTypes of controls include:
•ePositive and Negative controls
•eTri-level controls (High, Normal, Low)
•eNormal and abnormal controls
•UTypes of QC programs:
•eInternal or intralaboratory
•eExternal or interlaboratory