Phlebotomy Plan

CPT practice question: Processing

ProcessingDifficulty 3/5

Which work does the test plan specifically associate with chain of custody requirements?

  1. APoint-of-care glucose and urine pregnancy testing
  2. BForensic studies and blood alcohol collection
  3. CBlood culture collection and metabolic screening
  4. DCoagulation testing and complete blood counts
Show answer and rationale

Correct: B. Task 5C names forensic studies and blood alcohol. Chain of custody documents an unbroken record of who held the specimen and when, without which a legally significant result is unusable.

  • C — These are clinical collections without the legal handling requirement.
  • D — Routine haematology and coagulation work carries no chain of custody obligation.
  • A — Point-of-care testing has quality control requirements but not chain of custody.

Concept being tested

14 of the 100 scored items. Preparing specimens by centrifuging, aliquoting, freezing or refrigeration; maintaining specimen integrity against temperature, light and time requirements; chain of custody for forensic and blood alcohol work; clinical research laboratory protocols including packaging and air waybills; coordinating with non-laboratory personnel; using the laboratory information system; recognising and reporting critical values for point-of-care and CLIA-waived testing; distributing results; and contacting patients for re-collection. — 14% of the exam. Study guide for Processing.

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Primary references

  1. NHA Certified Phlebotomy Technician (CPT) — Test Plan for the CPT Exam — National Healthcareer Association (NHA) · primary · retrieved 2026-09-22, verified 2026-09-22
Last reviewed: 2026-10-07Reviewed by: Maria Torres, CPT, RMA (AMT), Clinical laboratory educator & venipuncture safety reviewHow we verify facts