Abstract Background The purpose of a clinical laboratory test is to provide information on the pathophysiologic condition of an individual patient to assist with diagnosis, to guide or monitor therapy, or to assess risk for a disease. Results for the…
Abstract Quality control (QC), also called internal QC, monitors a measurement procedure to verify that results for patient samples meet performance specifications appropriate for patient care or that an error condition exists that must be corrected. QC samples are measured…
Key Points Quality control samples are assayed on a schedule to verify that a laboratory procedure is performing correctly. Interpretation of quality control results is based on acceptance criteria that will identify bias, trend in bias, or imprecision that exceeds…