CPT phlebotomy exam prep
Phlebotomy Tech Prep: CPT is an iPhone app for NHA’s Certified Phlebotomy Technician exam, coming soon. The exam guides on this site are free.
5 domains and 100 scored questions, from NHA’s 2024 job analysis.
The plan behind the exam since January 7, 2026.
The app is on its way to the App Store.
Coming soon to the App Store for iPhone
The exam in figures
The CPT exam gives you 2 hours for 120 questions, 100 of them scored. A scaled 390 passes, and in 2024 undefined% of NaN candidates did.
Sources: NHA CPT test plan; NHA Candidate Handbook (June 2026), pp.31–32; NHA 2024 pass rates (CPT). How scoring works.
What the CPT exam covers
Five domains share the 100 scored questions. Open a row to see how much of the exam it carries.
Safety and Compliance26 questions14 tasks26%
26 of the 100 scored questions come from Safety and Compliance. NHA’s test plan lists 14 tasks and 16 knowledge statements for it.
Of every 10 study hours, about 2.6 belong here. See the test plan by domain.
Patient Preparation20 questions17 tasks20%
20 of the 100 scored questions come from Patient Preparation. NHA’s test plan lists 17 tasks and 14 knowledge statements for it.
Of every 10 study hours, about 2.0 belong here. See the test plan by domain.
Routine Blood Collections28 questions18 tasks28%
28 of the 100 scored questions come from Routine Blood Collections. NHA’s test plan lists 18 tasks and 21 knowledge statements for it.
Of every 10 study hours, about 2.8 belong here. See the test plan by domain.
Special Collections12 questions10 tasks12%
12 of the 100 scored questions come from Special Collections. NHA’s test plan lists 10 tasks and 12 knowledge statements for it.
Of every 10 study hours, about 1.2 belong here. See the test plan by domain.
Processing14 questions9 tasks14%
14 of the 100 scored questions come from Processing. NHA’s test plan lists 9 tasks and 8 knowledge statements for it.
Of every 10 study hours, about 1.4 belong here. See the test plan by domain.
Core knowledgeinside every domain23 statements—
23 core knowledge statements, such as terminology, anatomy, infection control and professionalism, are not a domain of their own. They can appear inside questions from any domain.
Pretest questions20 questionsunscored0%
Pretest items are not identified and do not affect your score. They are mixed in with the 100 scored questions, so answer every question as if it counts.
Your study hours 40 hours
- 10.4 hSafety and ComplianceSafety
- 8.0 hPatient PreparationPatient prep
- 11.2 hRoutine Blood CollectionsRoutine
- 4.8 hSpecial CollectionsSpecial
- 5.6 hProcessingProcesssing
Plan your study hours
Give each domain its share of your time.
The share of scored questions is the simplest guide to where your hours should go. This is arithmetic from NHA’s question counts, not an NHA recommendation.
Spread it over the weeks you have.
Pick the weeks until your exam to see the hours for each week: 6.7 hours a week for 6 weeks.
Weeks until the exam
Start where the most questions are.
Routine Blood Collections and Safety and Compliance carry 54 of the 100 scored questions. The study guide turns this into a plan.
Order of the tubes
Read the rules before you register
From NHA’s handbook
- Eligibility30 venipunctures and 10 capillary sticks
- PathwaysTraining in the past 5 years, or field work
- RegistrationPay within 2 hours of applying
- ReschedulingFree within 6 months of your date
- Format120 questions in 2 hours
- Exam dayPhoto ID; built-in calculator only
- BreaksCount toward the time; none when remote
- ScoringScaled 200 to 500; 390 passes
- ResultsWithin 48 hours at PSI or remote
- Retakes30 days apart; after 3 tries, 1 year
- Renewal10 CE credits every 2 years
- Test plan5 domains, 100 scored questions
The app, coming soon
Phlebotomy Tech Prep: CPT is an iPhone app for the CPT exam. Until it reaches the App Store, read the free exam guide.
Coming soon to the App Store for iPhone
Screens from the app’s design; details can change before release.
- Every answer explainedWhy the right option is right, why each wrong option is wrong, and the source.
- Built on the 2024 test planQuestions written for the 5 domains of NHA’s CPT test plan.
- Offline, private, no accountNo ads, no tracking. Your progress stays on your iPhone.
- Original questionsWritten for Phlebotomy Tech Prep: CPT; not actual exam questions.
Common questions
Is this the official NHA exam? No. Phlebotomy Tech Prep is an independent study app, not made by or connected to NHA. Our questions are original and follow NHA’s published test plan.
Is this the CPT coding exam? No. Here CPT means NHA’s Certified Phlebotomy Technician credential. Current Procedural Terminology (CPT®) is a medical coding system of the American Medical Association; this site does not cover it.
How many questions are on the CPT exam? 120 multiple-choice questions in 2 hours: 100 scored and 20 unscored pretest questions.
What score do you need to pass? A scaled score of 390. NHA reports CPT scores on a scale from 200 to 500.
Who can take the CPT exam? You need a high school diploma or equivalent (or expect one within 18 months), a phlebotomy training program in the past 5 years or supervised work experience, and proof of at least 30 venipunctures and 10 capillary sticks.
Can you retake it? If you fail, you may retake after a 30-day wait. You get 3 attempts, with at least 30 days between attempts. After the third attempt, each further failure requires a 1-year wait. Every retake requires re-registering and paying the full fee.
Where do you take it? At an NHA-authorized school or employer site, at a PSI test center, or by Live Remote Proctoring from home.
Does it work offline? Yes. Everything works offline except buying, restoring and sending email.
Where is my study data? On your iPhone only. To erase it, use Profile → Reset my progress, or delete the app. To delete your purchase record at RevenueCat, email us your Support ID from Profile → Privacy.
When can I get the app? Phlebotomy Tech Prep: CPT is coming soon to the App Store for iPhone. Until then, the exam guides on this site are free.
More answers? Read the support page.