The exams side by side
| Exam | Body | Questions / time | Passing score | Fee |
|---|---|---|---|---|
| CPT | NHA | 120 (100 scored) / 2 hrs | 390 on 200–500 | $134 |
| PBT | ASCP | 80 / 2 hrs | 400 on 100–999 | $155 |
| NCPT | NCCT | 125 (100 scored) / 3 hrs | 575 on 200–720 | $119 |
| RPT | AMT | 200 items (outline) / 2.5 hrs | 70 on 0–100 | $125 |
NHA counts all exams administered; NCCT reports first-time candidates by route; AMT gives one yearly figure. Compare with care.
What makes them hard
- Precise procedures. Order of draw, tube additives and special handling are tested in detail.
- Safety and compliance is a quarter of the NHA exam.
- Pace: about one question per minute on the CPT.
- Hidden pretest items on every exam.
Know you're ready for the phlebotomy exam before you book your date
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Start preparing for the phlebotomy examphlebotomy exam FAQ
What is the pass rate for the phlebotomy exam?
NHA CPT 75.96% (2024), NCCT NCPT 72.0% for first-time education route candidates (2025), AMT RPT 83% (2023).
Which phlebotomy exam is the hardest?
The published numbers use different methods. The ASCP PBT asks for the most documented sticks: 100 successful unaided venipunctures on its route 2.