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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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Assayed and Unassayed Controls

  • Assayed controls have been analyzed by the manufacturer so that the range of values for the analytes they contain is known.
  • Unassayed controls are unknowns. The laboratory purchasing the controls must determine the concentration of each analyte.