- CTRN stands for Certified Transport Registered Nurse and is 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.
- Patient Conditions and Principles of Management is the largest domain at 43.3% of the exam.
What Is CTRN Certification?
CTRN stands for Certified Transport Registered Nurse, a specialty credential for registered nurses who work in ground transport settings - ambulances, critical care transport units, and similar mobile care environments. It is not a general nursing license and it is not the same as any other credential that happens to share the letters "CTRN." This article covers only the Certified Transport Registered Nurse credential, its structure, its costs, and what it actually tests.
The certification exists to validate that a nurse can independently manage critically ill and injured patients in a transport environment, where resources are limited, conditions change quickly, and clinical judgment has to happen without the safety net of a full hospital team. If you want a deeper breakdown of the exact domain content, see the CTRN Exam Domains 2026: Complete Guide to All 4 Content Areas.
Who Administers the CTRN Exam
The Board of Certification for Emergency Nursing (BCEN) owns and administers the CTRN credential. Testing itself is delivered through PSI, either at a physical PSI test center or via live remote proctoring for candidates who prefer to test from home or another approved location. BCEN periodically updates the exam content outline based on formal role delineation studies conducted with practicing transport nurses; the current outline reflects the 2025 ground transport nursing role delineation study and took effect March 30, 2026.
Because BCEN owns the credential, all authoritative details on eligibility, retesting, and renewal come from BCEN directly. For a plain-language walkthrough of prerequisites, review CTRN Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Eligibility Requirements
CTRN eligibility is intentionally accessible compared to some other transport-focused credentials. You need:
- A current, unrestricted RN license in the United States, a U.S. territory, Canada, Australia, or another accepted international equivalent.
- No mandatory minimum years of experience - though BCEN recommends two years of ground transport nursing experience before sitting the exam.
Notice that experience is a recommendation, not a hard requirement. This matters for planning: newer transport nurses can technically register and test, but most candidates who pass comfortably have spent real time managing transport patients first. Clinical exposure to the situations tested in the domains below is what actually prepares you - not just meeting a paperwork threshold.
Key Takeaway
Two years of ground transport experience is recommended, not mandatory - but the exam is written for someone who has already handled unstable patients in a moving vehicle, so don't skip the clinical reps even if you're technically eligible sooner.
Exam Format and Scoring
The CTRN exam consists of 150 scored questions distributed across four content domains, and candidates are given 3 hours to complete it. To pass, you need 99 correct answers out of the 150 scored questions. That passing standard is fixed by BCEN's current outline - it is not a moving target based on how other candidates perform on a given testing cycle.
For a full explanation of how that score is calculated and what it means for your margin of error per domain, see CTRN Passing Score 2026: Exactly What You Need to Pass. If you're still deciding whether the exam is a realistic stretch given your background, How Hard Is the CTRN Exam? Complete Difficulty Guide 2026 breaks down the difficulty factors in more depth, and CTRN Pass Rate 2026: What the Data Shows covers the data BCEN publishes on outcomes.
| Exam Element | Detail |
|---|---|
| Total scored questions | 150 |
| Time allotted | 3 hours |
| Passing score | 99 correct out of 150 scored questions |
| Testing method | PSI test centers or live remote proctoring |
| Certification validity | 4 years |
The Four CTRN Exam Domains
BCEN's outline is built around four domains, each with a fixed number of scored questions. Understanding the exact weighting is the single most useful thing you can do before building a study plan - a nurse who spends equal time on all four domains is misallocating effort. A full domain-by-domain content breakdown lives in the CTRN Exam Domains 2026 guide, but here's the structure at a glance.
Domain 1: General Principles of Ground Transport Nursing Practice (22 questions)
Covers the operational and professional foundations of transport nursing - safety practices, legal and ethical considerations, communication during handoffs, and the logistics unique to ground transport work.
- Transport safety protocols and scene management
- Legal, ethical, and regulatory considerations specific to transport
- Team communication and handoff standards
Domain 2: Resuscitation Principles (40 questions)
Focuses on recognizing and managing patients in shock, cardiac arrest, or respiratory failure during transport, where advanced equipment and personnel are limited compared to a hospital setting.
- Airway management and mechanical ventilation in transit
- Hemodynamic support and shock recognition
- Advanced resuscitation decision-making with limited resources
Domain 3: Patient Conditions and Principles of Management (65 questions)
This is the largest domain - 43.3% of the exam - and covers the breadth of medical, surgical, and traumatic conditions a ground transport nurse encounters.
- Trauma, cardiac, neurologic, and respiratory emergencies
- Toxicology, metabolic, and infectious conditions
- Ongoing management principles during extended transport times
Domain 4: Special Populations (23 questions)
Covers the unique considerations for patients who don't fit the "typical adult" transport scenario.
- Pediatric and neonatal transport considerations
- Obstetric and geriatric patient management
- Bariatric and behavioral health considerations in transit
Registration Cost and Fees
The initial CTRN exam fee is $285 for Air & Surface Transport Nurses Association (ASTNA) members and $380 for nonmembers. That membership discount is worth checking before you register, since it can offset most or all of an ASTNA membership fee depending on your situation. For a complete breakdown of every cost associated with earning and maintaining the credential, see CTRN Certification Cost 2026: Complete Pricing Breakdown.
Beyond the exam fee itself, budget for study materials, any review courses you choose to take, and - if you go the renewal-by-exam route later - a second testing fee down the line. Renewal by continuing education is often the lower-cost path for nurses who stay in transport nursing long-term.
Who Earns CTRN Certification
CTRN certification is designed specifically for RNs working in ground transport - ambulance-based critical care transport, mobile ICU services, and similar programs that move critically ill patients between facilities or from scene to hospital by road. Employers who hire and often prefer CTRN-certified nurses include:
- Ground critical care transport companies and mobile ICU services
- Hospital-based transport teams that move patients between facilities
- EMS agencies with advanced practice or critical care ground units
Having the credential signals to these employers that you can function independently in a resource-limited, high-acuity environment - which is exactly what the exam domains are built to measure. If you're weighing whether the credential translates into better job opportunities or pay in your market, CTRN Salary Guide 2026: Complete Earnings Analysis and Is the CTRN Certification Worth It? Complete ROI Analysis 2026 both dig into that question, and CTRN Jobs looks at where the credential shows up in job postings.
Renewal and Maintenance
CTRN certification is valid for four years from the date you pass. When renewal comes up, you have two options:
- Renew by exam - retake the current version of the CTRN exam under the outline in effect at the time.
- Renew by continuing education - complete 100 continuing education contact hours relevant to transport nursing practice within your certification cycle.
Most working transport nurses choose the continuing education path since it avoids a second high-stakes exam, but either route keeps your credential active. Plan your CE hours across the full four-year window rather than trying to cram them in during the final months.
How to Prepare Strategically
Because Domain 3 (Patient Conditions and Principles of Management) carries nearly half the exam's weight, your study time should not be split evenly across the four domains. A reasonable approach dedicates the majority of your study weeks to Domain 3 content, with focused but shorter blocks for Domains 1, 2, and 4.
Domain 3 Foundations
- Review trauma, cardiac, neurologic, and respiratory emergency management
- Work through toxicology and metabolic condition scenarios
Resuscitation Principles
- Drill airway management and shock recognition under transport constraints
- Review advanced resuscitation decision trees
Special Populations and General Principles
- Cover pediatric, neonatal, obstetric, and geriatric transport considerations
- Review transport safety, legal/ethical, and communication standards
Full Review and Practice Testing
- Take timed practice exams that mirror the 150-question, 3-hour format
- Re-drill any domain where you're missing more than a handful of practice questions
Timed, domain-weighted practice testing is the fastest way to know whether you're actually ready - not just whether you recognize the material when you see it. You can build that habit with realistic practice questions on the main CTRN practice test platform, and a step-by-step prep sequence is laid out in the CTRN Study Guide 2026: How to Pass on Your First Attempt. For a fast pre-exam refresher once you've done the deep studying, the CTRN Cheat Sheet 2026: One-Page Review of Must-Know Facts condenses the highest-yield facts.
Key Takeaway
Allocate roughly half your study time to Patient Conditions and Principles of Management - it's worth more raw points than the other three domains combined.
Frequently Asked Questions
CTRN stands for Certified Transport Registered Nurse, a BCEN-administered credential for RNs working in ground transport nursing. For more on the terminology itself, see What Does CTRN Stand For? and CTRN Meaning.
The exam has 150 scored questions across four domains, and candidates have 3 hours to complete it.
You need 99 correct answers out of the 150 scored questions to pass. See CTRN Passing Score 2026 for a deeper look at how this breaks down by domain.
The initial fee is $285 for ASTNA members and $380 for nonmembers. Full cost details, including renewal expenses, are covered in CTRN Certification Cost 2026.
BCEN recommends two years of ground transport nursing experience, but it is not a mandatory eligibility requirement. A current unrestricted RN license is required. See CTRN Requirements 2026 for the complete eligibility picture.
CTRN certification is valid for four years. You can renew either by retaking the exam or by completing 100 continuing education contact hours.