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The page below is a sample from the LabCE course Quality Control. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Possible Corrective Action, continued

    Review calibration of the test instrument.

  • What was the date of the last calibration?
  • Test instruments need to be calibrated according to the manufacturer's instructions or more frequently if necessary.
  • Federal requirements call for analytic tests to be recalibrated, or calibration verification performed, at least every six months to verify the accuracy of the testing procedure.