- CTRN stands for Certified Transport Registered Nurse, administered by BCEN through PSI testing centers.
- The exam has 150 scored questions across four domains, with a 3-hour time limit.
- Passing requires 99 correct answers out of 150 scored questions.
- Initial fees are $285 for ASTNA members and $380 for nonmembers.
CTRN Overview: The Basics
CTRN stands for Certified Transport Registered Nurse, a specialty credential for registered nurses who work in ground transport nursing. It is not a general critical care certification and it is not the same as any other credential that happens to share the same three letters - this article, and the rest of the content on CTRN Certification pages across this site, refers specifically to the ground transport nursing credential issued by the Board of Certification for Emergency Nursing (BCEN).
If you found this page while searching for the basic definition, you may also want the shorter companion explainers: CTRN Meaning, What Does CTRN Stand For?, and What Does CTRN Mean?. This article goes deeper into the exam mechanics, domains, and eligibility so you can decide whether it's the right next step in your nursing career.
Who Issues the CTRN and Why It Exists
The CTRN is developed and administered by BCEN, the same organization behind several other specialty nursing certifications, and delivered through PSI testing centers or live remote proctoring. BCEN periodically revises the exam content outline based on a role delineation study - a formal survey of practicing transport nurses that determines what today's clinicians actually need to know. The current CTRN outline reflects the 2025 ground transport nursing role delineation study and took effect March 30, 2026.
That update matters because it directly changed how many questions appear in each content area. If you studied from an older outline or an outdated guide, the domain weighting you're preparing against may no longer match what's tested. For a full breakdown of what changed and why, see CTRN Exam Domains 2026: Complete Guide to All 4 Content Areas.
Eligibility Requirements
Unlike some nursing certifications that require a fixed number of practice hours before you can even sit for the exam, CTRN eligibility is comparatively open. Candidates need:
- A current, unrestricted RN license in the United States, a U.S. territory, Canada, Australia, or an accepted international equivalent
- No mandatory minimum experience - two years of ground transport nursing experience is recommended, but it is not a hard requirement to register
This is worth pausing on: many nurses assume they need years of transport experience before attempting the exam, but BCEN does not enforce that as a prerequisite. That said, "recommended" exists for a reason - the exam questions are written around real transport scenarios, and nurses without hands-on transport exposure often find the clinical judgment questions harder to reason through. For the full eligibility breakdown, including how license reciprocity and international equivalency work, read CTRN Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Key Takeaway
You don't need two years of transport experience to register for the CTRN, but going in without it makes the scenario-based questions significantly harder to answer confidently.
Exam Format, Timing, and Scoring
The CTRN exam consists of 150 scored questions delivered over a 3-hour testing window. Candidates test at a PSI testing center or via live remote proctoring, which gives some flexibility for nurses in rural areas or with unpredictable shift schedules.
To pass, you need 99 correct answers out of the 150 scored questions. That's the entire passing standard - there's no separate cutoff per domain, so a stronger performance in one content area can offset a weaker one elsewhere, as long as your overall total clears 99. For a deeper look at how this scoring standard is applied and what it means in practice, see CTRN Passing Score 2026: Exactly What You Need to Pass.
Questions on the CTRN are scenario-driven rather than pure recall. Expect vignettes describing a patient's presentation, vital signs, and transport context, followed by a question asking you to determine the next best action, prioritize an intervention, or identify a red-flag finding. This format rewards clinical reasoning over memorization, which is a key reason generic test-prep advice falls short for this exam - see How Hard Is the CTRN Exam? Complete Difficulty Guide 2026 for a realistic assessment of the exam's difficulty.
| Exam Attribute | Detail |
|---|---|
| Scored questions | 150 |
| Time allotted | 3 hours |
| Passing standard | 99 correct answers |
| Testing venues | PSI centers or live remote proctoring |
| Credential validity | 4 years |
The Four CTRN Domains
BCEN's current outline organizes the 150 scored questions into four domains, each with its own official question count. Understanding these proportions is the single most important thing you can do before building a study plan, because it tells you exactly where to invest your limited prep time.
Domain 1: General Principles of Ground Transport Nursing Practice
Covers the operational and professional foundations of transport nursing - safety protocols, legal and ethical considerations, communication during handoffs, and the unique demands of the ground transport environment.
- 22 questions on this domain's core content
- Focuses on process and judgment rather than a single body system
Domain 2: Resuscitation Principles
Tests your ability to recognize and manage patients in cardiac, respiratory, or hemodynamic crisis while in a moving vehicle with limited resources.
- 40 questions drawn from this domain
- Emphasizes airway management, shock recognition, and resuscitation sequencing under transport constraints
Domain 3: Patient Conditions and Principles of Management
This is the largest domain on the exam at 43.3% of scored content, built from 65 questions. It spans the breadth of medical and traumatic conditions a transport nurse encounters - cardiac, neurologic, respiratory, metabolic, and trauma presentations - and how to manage each safely en route.
- The single highest-yield domain for study time
- Requires command of multiple body systems simultaneously, not just one specialty area
Domain 4: Special Populations
Addresses transport considerations for patients who don't fit the "standard adult" template - pediatric, obstetric, geriatric, and bariatric patients, among others.
- 23 questions on this domain
- Often underestimated by candidates who focus their studying almost entirely on adult trauma and cardiac content
Because Domain 3 alone accounts for nearly half the scored questions, it deserves proportionally more of your study hours than the other three domains combined would suggest at first glance. For a question-by-question walkthrough of high-yield topics inside each domain, see CTRN Exam Domains 2026: Complete Guide to All 4 Content Areas, and for a compact review sheet you can use during final review, check the CTRN Cheat Sheet 2026: One-Page Review of Must-Know Facts.
Cost and Registration Mechanics
The initial CTRN application fee is $285 for Air & Surface Transport Nurses Association (ASTNA) members and $380 for nonmembers. If you're already an ASTNA member, or you're planning to work in transport long-term, joining before you apply is worth calculating into your total cost - the membership savings can offset part or all of the difference depending on membership pricing at the time you apply.
Registration itself runs through BCEN, with testing scheduled afterward at a PSI center or through live remote proctoring. Because the exam outline changed as of March 30, 2026, make sure any registration and scheduling you do lines up with the current outline rather than an older one. For scheduling windows and deadlines, see CTRN Exam Dates 2026: Testing Windows, Deadlines & Scheduling, and for a complete cost breakdown including retake fees and renewal costs, see CTRN Certification Cost 2026: Complete Pricing Breakdown.
Who Hires CTRN-Certified Nurses
CTRN certification is most relevant to nurses working in or pursuing roles in ground ambulance transport, critical care ground transport teams, and interfacility transfer services. Employers in this space typically value the credential because it signals specialized competency beyond a general RN license or a hospital-based critical care background - it demonstrates that a nurse can apply clinical judgment in a mobile, resource-limited setting rather than a fixed unit.
Nurses pursuing this path often come from emergency department, ICU, or flight nursing backgrounds before moving into dedicated ground transport roles. If you're evaluating whether certification will actually move the needle for your career and compensation, read Is the CTRN Certification Worth It? Complete ROI Analysis 2026 and CTRN Salary Guide 2026: Complete Earnings Analysis. For current openings and how employers list the credential in job postings, see CTRN Jobs.
Maintaining the Credential
Once earned, the CTRN is valid for four years. Renewal can be completed in one of two ways:
- Retaking and passing the current version of the exam
- Completing 100 continuing education contact hours relevant to transport nursing practice
Most working nurses choose the continuing education path since it avoids the pressure of a timed retest, but it does require tracking hours consistently over the four-year cycle rather than scrambling at the end. Either renewal path keeps your credential aligned with whatever outline BCEN has in effect at the time, which is another reason to stay current on outline changes like the one that took effect in March 2026.
How to Sequence Your Preparation
Because Domain 3 (Patient Conditions and Principles of Management) makes up 43.3% of the scored exam, your study calendar should weight time accordingly rather than splitting four domains into four equal blocks. A sequencing approach that matches the actual exam weighting looks something like this:
Domain 3 Foundations
- Build baseline knowledge across cardiac, neurologic, respiratory, and trauma presentations
- Practice scenario-based questions that combine multiple systems, since this domain rarely tests one condition in isolation
Domain 2: Resuscitation Principles
- Drill airway and shock management sequences under transport constraints
- Review resuscitation algorithms as they apply specifically to a moving vehicle, not just a fixed bedside setting
Domain 1 and Domain 4
- Cover operational, legal, and communication principles from Domain 1
- Study pediatric, obstetric, geriatric, and bariatric transport considerations from Domain 4
Full-Length Review
- Take timed practice sets that mix all four domains in the same proportions as the real exam
- Revisit weak areas identified during practice, prioritizing Domain 3 gaps first given its weight
This isn't a generic study template - it's built directly around the official question counts (22, 40, 65, and 23) so that your time investment mirrors how the exam is actually weighted. For a more detailed week-by-week plan with specific resources and question-bank recommendations, see CTRN Study Guide 2026: How to Pass on Your First Attempt. You can also start working through realistic scenario-based questions right now on our CTRN practice test platform, which mirrors the domain proportions of the actual exam.
Key Takeaway
Spend roughly proportional study time to each domain's share of the 150 scored questions - Domain 3 deserves nearly half your prep hours, not an equal quarter.
If you want to see how other candidates' outcomes compare and what the data actually shows about difficulty, CTRN Pass Rate 2026: What the Data Shows lays out what's publicly known without relying on invented numbers. And once you've built a study rhythm, running full practice exams on CTRN Exam Prep is one of the most direct ways to confirm you're hitting the 99-correct benchmark before test day.
Frequently Asked Questions
No. CTRN is specific to ground transport nursing practice. It's a distinct BCEN credential from other transport-related certifications, and its exam content, domains, and eligibility are built around ground transport scenarios rather than air medical operations.
No. Two years of ground transport nursing experience is recommended by BCEN but is not a mandatory eligibility requirement. You do need a current unrestricted RN license from an accepted jurisdiction.
The exam includes 150 scored questions and candidates are given 3 hours to complete it.
You need 99 correct answers out of the 150 scored questions. There is no separate minimum per domain.
The credential is valid for four years. You can renew by retaking and passing the current exam or by completing 100 continuing education contact hours.