Levey Jennings Chart Activity Staff Meeting Topic
Gaussian Distribution
Accuracy The closeness of the measured result to the true value
Precision Reproducibility or closeness of results to each other
Inaccurate and Imprecise
Reliability The ability to maintain both precision and accuracy
Quality Control Quality control is used to test the analytical phase of patient testing. It is a process or system for monitoring the quality of laboratory testing, and the accuracy and precision of results
Quality Control Quality control samples are tested along with patient samples to monitor the validity of the analysis. If quality control samples which have a known concentration do not give expected results, it can often mean an error occurred that affected patient results as well.