NHA Certified Phlebotomy Technician (CPT) Exam Overview

The National Healthcareer Association (NHA) Certified Phlebotomy Technician (CPT) exam is the most widely recognized phlebotomy certification in the United States. Phlebotomy technicians are essential healthcare professionals responsible for collecting blood specimens for laboratory testing, transfusions, donations, and research. The CPT credential demonstrates competency in blood collection, specimen handling, patient safety, and compliance with healthcare regulations.

Exam Details at a Glance

Exam Format & Structure

The NHA CPT exam includes 100 total questions, but only 80 are scored. The remaining 20 are unscored pretest questions that NHA uses to evaluate potential future exam items. You will not know which questions are scored vs. unscored, so treat every question as if it counts.

All questions are standard multiple-choice with four answer options (A, B, C, D) and one correct answer. Unlike some adaptive exams, the NHA CPT is a fixed-length, linear exam — you will always see exactly 100 questions regardless of your performance.

Scoring

The NHA CPT exam uses a scaled scoring system:

• Raw scores are converted to a scale of 100 to 500
• The estimated passing threshold is approximately 390 on the scaled score
• Results are reported as Pass or Fail
• If you fail, you receive a score report with domain-level performance breakdowns
• Passing the exam is a one-time requirement for initial certification

Content Domain Weights

Key Insight: Venipuncture Procedures is the single largest domain at 32%. Mastering the order of draw, tube selection, venipuncture technique, and complication management is critical to passing the exam.

Testing Options

PSI Testing Centers:

• Available at hundreds of locations nationwide
• Government-issued photo ID required
• Arrive 15 minutes early; late arrivals may forfeit their appointment
• No personal items allowed in the testing room

Online Proctored Testing:

• Take the exam from home or any quiet, private location
• Requires a computer with webcam, microphone, and stable internet
• 360-degree room scan required before testing begins
• No dual monitors, notes, or other materials allowed

What to Bring on Exam Day (PSI Testing Center)

NOT Allowed:

• Cell phones, smartwatches, or electronic devices
• Notes, textbooks, study materials, or scratch paper (paper provided at the center)
• Food, drinks, or chewing gum
• Purses, bags, or backpacks (stored in a locker)
• Hats, scarves, or large jewelry (may be asked to remove)

Study Strategies for the NHA CPT Exam

Top Study Methods:

Common Test-Taking Tips

• Read every question carefully — look for keywords like FIRST, BEST, MOST, EXCEPT, NOT
• Eliminate obviously wrong answers — narrow to 2 choices, then choose the best answer
• Don't change answers unless you have a clear reason — first instincts are usually correct
• Flag difficult questions and return to them if time permits
• Manage your time — 100 questions in 120 minutes = ~72 seconds per question
• Order of draw questions are the most common — know the sequence cold