- CCTN passing is set by expert judgment (minimum-competence standard), not a fixed percentage you can memorize.
- The exam has 175 questions - 150 scored, 25 unscored - in a three-hour session with no calculator.
- Care Immediately Post-transplantation and Transplantation Management together make up 52% of scored content.
- ABTC reported an 83% pass rate among 104 CCTN candidates in 2024.
How the CCTN Is Actually Scored
If you're searching for a single number - "score 70% and you pass" - the CCTN doesn't work that way, and understanding why changes how you should prepare. The American Board for Transplant Certification (ABTC), which owns and administers the CCTN, uses an expert-set minimum-competence standard to determine passing performance. In practice, this means a panel of experienced transplant clinicians reviews the exam content and judges, item by item, what a minimally competent CCTN-level nurse should be able to answer correctly. That judgment produces the passing threshold for that exam form - not an arbitrary round number chosen for convenience.
This is a common approach in high-stakes nursing certification and is far more defensible than a flat cutoff, because it ties the passing standard directly to real clinical competence rather than test-taking convenience. For a deeper walkthrough of how this compares to other certifications and what "hard" actually means for CCTN candidates, see our complete difficulty guide.
Why There's No Fixed "Passing Score" to Memorize
Candidates often assume every certification exam works like a classroom test, where 70% or 75% is the finish line. The CCTN is criterion-referenced against a minimum-competence standard, which means the bar is set based on the difficulty of the specific set of scored items you receive, not a static percentage carried over from year to year. Two candidates who each get 65% of raw items correct on different exam forms could have different pass/fail outcomes if the item difficulty differs - because the underlying scoring model adjusts for that.
What this means practically: stop hunting for a "safe" raw percentage and instead focus on mastering the content outline itself. Our CCTN Exam Domains Guide breaks down exactly what's tested in each of the six content areas, which is a far more useful target than reverse-engineering a cut score.
Key Takeaway
Prepare to demonstrate consistent competence across all domains rather than trying to calculate exactly how many questions you can afford to miss.
Exam Format: 175 Questions, 150 That Count
The CCTN exam consists of 175 four-option multiple-choice questions, of which 150 are scored and 25 are unscored pretest items used by ABTC to evaluate future exam content. You won't know which 25 are unscored, so every question deserves your full attention. The exam runs on a three-hour time limit, is closed book, and does not allow a calculator. Scratch materials are supplied at the PSI test center - you cannot bring your own. Breaks do not stop the clock, so plan your pacing accordingly, and you'll need two acceptable forms of ID to check in.
With 175 items in three hours, you have roughly one minute per question, though pacing should flex - clinical scenario items in Transplantation Management or Care Immediately Post-transplantation often require more careful reading than straightforward pharmacology recall items. For a full pacing breakdown by domain, our CCTN Study Guide covers timing strategy in more depth.
Domain Weighting and Why It Matters for Passing
Because the CCTN blueprint weights content unevenly, your study time should mirror that weighting. Effective July 1, 2025, the current blueprint allocates scored content as follows:
| Domain | Weight |
|---|---|
| Pre-transplantation Care | 9% |
| Care Immediately Post-transplantation | 26% |
| Transplantation Management | 26% |
| Pharmacological Therapeutics | 17% |
| Education and Discharge | 15% |
| Professional Responsibilities | 7% |
Notice that Care Immediately Post-transplantation and Transplantation Management together account for 52% of scored content - more than half the exam. If you're going to be strategic about where to invest your limited study hours, these two domains are non-negotiable.
Care Immediately Post-transplantation (26%)
Covers the acute post-op period: hemodynamic monitoring, early graft function assessment, immediate complication recognition, and initial immunosuppression management across adult and pediatric transplant recipients.
- Recognizing early signs of organ dysfunction or rejection
- Post-operative hemodynamic and fluid management
- Initial immunosuppressive induction protocols
Transplantation Management (26%)
Covers the longer arc of ongoing transplant care: chronic rejection surveillance, infection risk, comorbidity management, and long-term monitoring across the lifespan of the graft.
- Distinguishing acute vs. chronic rejection presentations
- Infection prevention and opportunistic infection recognition
- Long-term follow-up and graft surveillance protocols
The remaining four domains - Pre-transplantation Care, Pharmacological Therapeutics, Education and Discharge, and Professional Responsibilities - still require solid preparation, but they should receive proportionally less time than the two heavyweight domains above. For an item-by-item content breakdown of every domain, including pediatric-specific content woven throughout, read the full domains guide.
What the 2024 Pass Rate Tells You
ABTC reported an 83% pass rate among 104 CCTN candidates in 2024. That figure suggests the exam is passable for well-prepared transplant nurses with the required clinical background, but it's not a guarantee - nearly one in five candidates in that cohort did not pass. The gap between passing and not passing usually isn't about intelligence or nursing skill; it's about whether a candidate's day-to-day clinical exposure lined up with the full breadth of the blueprint, particularly the heavily weighted domains.
If your unit focuses primarily on immediate post-op care, for example, you may need deliberate extra study in Transplantation Management's longer-term follow-up content, or vice versa. For more context on what drives outcomes and how to interpret pass-rate data responsibly, see our CCTN Pass Rate breakdown.
If You Don't Pass: Retake and Reapplication Rules
Understanding the retake structure matters as much as understanding the passing standard, because it shapes how much pressure to put on a single attempt. Once approved, candidates have a 90-day eligibility window to schedule and sit for the exam at a PSI testing center. If you don't pass, you must wait 90 days before retaking it. If you fail three times, ABTC requires you to complete 20 Category 1 CEPTCs before you're allowed to reapply - a meaningful checkpoint designed to ensure additional preparation actually happens between attempts rather than simply re-testing on the same knowledge gaps.
This retake structure is one more reason not to treat the exam as a guessing game around a hidden cutoff score. Instead, treat each attempt as a genuine competence check, and use our CCTN Exam Dates guide to plan your scheduling windows realistically, factoring in the 90-day rules if a retake becomes necessary.
Key Takeaway
Because retakes require a 90-day wait, rushing into an underprepared first attempt can cost you months, not just a fee.
Building a Domain-Weighted Study Plan
Generic study advice - flashcards, spaced repetition, timed drills - only helps if it's pointed at the right targets. For the CCTN specifically, your weekly plan should mirror the blueprint's weighting rather than splitting time evenly across six domains.
Care Immediately Post-transplantation & Transplantation Management
- Review acute graft dysfunction and rejection recognition across adult and pediatric cases
- Build comparison charts for acute vs. chronic rejection presentations
- Drill practice questions weighted toward these two domains first, since they represent 52% of scored content
Pharmacological Therapeutics
- Master immunosuppressant classes, interactions, and monitoring parameters
- Practice closed-book calculation-style scenarios, since no calculator is permitted at the test center
Education and Discharge, Pre-transplantation Care
- Review patient/family teaching frameworks and discharge criteria
- Cover pre-transplant evaluation and listing criteria
Professional Responsibilities & Full Timed Review
- Cover scope-of-practice and interdisciplinary coordination content
- Take a full 175-question timed practice exam under three-hour conditions
For a more detailed week-by-week structure with daily task lists, the CCTN Study Guide expands on this framework, and our one-page cheat sheet is useful for final-week review. You can also run full-length timed simulations on our CCTN practice test platform to get comfortable with the pacing before test day.
Frequently Asked Questions
There is no fixed public percentage. ABTC uses an expert-set minimum-competence standard, meaning the passing threshold is determined by clinical experts evaluating what a competent transplant nurse should know, applied to that specific exam form's item difficulty.
The exam has 175 four-option multiple-choice questions. Of these, 150 are scored and 25 are unscored pretest items used for future exam development. You won't be told which items are unscored during the test.
Care Immediately Post-transplantation and Transplantation Management each carry 26% of the exam weight, together making up 52% of scored content. These should receive the largest share of your study time, though all six domains require solid preparation.
You must wait 90 days before retaking the exam. If you fail three attempts, ABTC requires completion of 20 Category 1 CEPTCs before you're eligible to reapply.
No. The CCTN is closed book and no calculator is allowed. Scratch materials are provided at the PSI test center, and you'll need two acceptable forms of ID to check in on test day.