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Domain 5 · 14% of the Phlebotomy (CPT) exam

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About 14 of your 100 scored questions come from here. 19 questions in the full bank; a rotating free sample below.

Knowledge areas tested
  1. Prepare specimens for testing or transport: clotting time, centrifuging, aliquoting, serum versus plasma, freezing or refrigeration
  2. Maintain specimen integrity by handling requirements (temperature, light, time), follow chain of custody and clinical research packaging protocols, and recognize specimen rejection causes such as hemolysis
  3. Enter and retrieve specimen data in the laboratory information system, recognize and report critical values for point-of-care and CLIA-waived tests, distribute results, and contact patients for recollection
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