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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What is a Control?

  • QC programs require the same sample to be tested every day testing is done.
  • This type of sample is called a control.
  • Controls, which are often purchased from manufacturers, use a human base to ensure the analytes being tested parallel human ranges.
  • Manufacturers pool together many human blood samples to create the large volume needed for a lot number of control.