Issued by BCEN Updated April 2026

CEN Certified Emergency Nurse

CEN — Certified Emergency Nurse — is the Board of Certification for Emergency Nursing's flagship credential and the recognized benchmark for registered nurses who practice across the breadth of the emergency department. It validates the knowledge an ED nurse uses every shift, from triage decisions to resuscitation.

Questions 175 items
Duration 3 hours
Renewal 4 years
Pass rate 51%

CEN certification at a glance

CEN — Certified Emergency Nurse — is the nursing benchmark for emergency-department practice. The credential is issued by the Board of Certification for Emergency Nursing (BCEN), the specialty's certifying body since 1980; CEN is its founding and longest-running certification. As of 2025, 41,636 RNs held the credential.

CEN is a board certification, not a course. It is regularly confused with TNCC and ENPC — Emergency Nurses Association provider courses — but only CEN appears on your credentials line after RN. Earning it signals validated, exam-tested competence across the full range of ED presentations.

CEN — Certified emergency nurse triaging a patient in a busy ED
Certified emergency nurse triaging a patient in a busy ED
175 Total items 150 scored · 25 pretest
3 hrs Time limit Continuous, computer-based
51% 2025 pass rate 4,198 of 8,172 completed exams
4 yrs Renewal cycle 100 CE hours or re-exam

Am I eligible for the CEN exam?

Yes — if you hold a current, unencumbered Registered Nurse license in the United States, a US territory, Canada, or Australia. A foreign nursing certificate equivalent to a US RN license also qualifies once verified through TruMerit. BCEN sets no minimum-hours requirement.

BCEN recommends at least two years of experience in your specialty before scheduling, but that recommendation is not a gate. Any active restriction, suspension, or probation on your nursing license, however, will disqualify your application.

You are a strong candidate if…

  • You hold an active, unencumbered RN license and routinely work in an emergency department.
  • You have roughly two years of ED experience and are comfortable triaging across the full age and acuity spectrum.
  • You can recognize and respond to cardiac, respiratory, neurological, and toxicological emergencies without a reference card.
  • You work in a setting that exposes you to the breadth of the blueprint — a community or academic ED, freestanding ED, or fast-track and resuscitation areas alike.

CEN exam blueprint — ten content areas (effective 01-2022)

The CEN blueprint spans ten clinical and professional content areas, weighted toward the systems an ED nurse manages most. Cardiovascular, Respiratory, and Neurological emergencies together carry about 37% of the scored items — the bulk of your study time should live there.

  • Cardiovascular Emergencies 19%
  • Respiratory Emergencies 18%
  • Neurological Emergencies 18%
  • Gastrointestinal, Genitourinary, Gynecology, and Obstetrical Emergencies 18%
  • Medical Emergencies 14%
  • Environment, Toxicology, and Communicable Disease Emergencies 14%
  • Professional Issues 14%
  • Musculoskeletal and Wound Emergencies 13%
  • Mental Health Emergencies 11%
  • Maxillofacial and Ocular Emergencies 11%

Do not neglect Professional Issues. Triage, throughput, EMTALA, ethics, and patient-safety items feel administrative at the bedside but reliably appear. Note that BCEN reorganizes this outline into eleven areas effective 2026-07-06; the weights below reflect the outline in force through that date.

Cost, scheduling, and military benefits

BCEN delivers the CEN exam through Pearson VUE testing centers and also offers Live Remote Proctoring for candidates who prefer to test from a private location. After BCEN approves your application, schedule your seat promptly within your authorized window. The standard non-member fee is $380; Emergency Nurses Association (ENA) members pay $285.

Fee itemCost (USD)
Initial exam — non-member $380
Initial exam — ENA member $285
Military / veteran application $195 (all applications)
Retest $200
Initial exam with Test Assurance — non-member $450
Initial exam with Test Assurance — ENA member $355
Military with Test Assurance $265

Renewal

CEN certification is valid for four years. BCEN offers two renewal pathways. Recertification by CE Attestation: complete 100 contact hours within the 4-year cycle, with at least 75 hours of clinical content specific to emergency nursing (up to 25 may be non-clinical), and at least 50 hours from an accredited provider such as BCEN Learn, AACN, ANCC, ENA, ABA, STN, or ASTNA.

Recertification by Examination: retake and pass the current CEN exam. Hours earned after your expiration date do not count, so track your CE throughout the cycle and submit before the deadline.

How hard is the CEN exam?

BCEN reported 4,198 of 8,172 completed CEN exams passed in 2025 — a 51% pass rate (BCEN delivered 8,889 exams that year; the gap reflects no-shows and incomplete sittings, which lowers the rate to 47% against all delivered exams). Just over half of test-takers pass on a given attempt, which puts CEN squarely in the moderately difficult band.

Candidates who follow a structured 8-to-12-week plan and complete at least one full-length timed practice exam pass at meaningfully higher rates than those relying on bedside experience alone. The breadth of the blueprint — not its depth — is what trips up unprepared ED veterans.

First-time pass rates
Reporting · target 80%
Pass Target
2025
51%
51% is calculated on completed exams (4,198 passed of 8,172 passed-or-failed). Against all 8,889 exams BCEN delivered in 2025, the rate is 47%. Figures are BCEN's ABSNC-mandated statistics for the 2025 calendar year.

A 10-week CEN study plan

A structured 10-week plan suits most ED nurses with a year or more of practice — roughly 80 to 120 total study hours across the ten content areas. Question volume ramps through weeks 2–8 and peaks in week 9 with a full-length timed exam; week 10 is targeted review, logistics, and rest.

10-week study plan
Practice question load ramps through the final weeks.
  1. 1 Week
    Read the BCEN CEN Content Outline + baseline diagnostic exam
    25 Qs
  2. 2 Week
    Cardiovascular emergencies — ACS, dysrhythmias, shock, tamponade
    50 Qs
  3. 3 Week
    Respiratory emergencies — asthma, COPD, PE, pneumothorax, ARDS
    50 Qs
  4. 4 Week
    Neurological emergencies — stroke, ICP, seizures, SCI
    50 Qs
  5. 5 Week
    GI / GU / Gyn / OB emergencies + Medical emergencies
    60 Qs
  6. 6 Week
    Environment, toxicology, communicable disease + Mental health
    60 Qs
  7. 7 Week
    Musculoskeletal, wound, maxillofacial, and ocular emergencies
    50 Qs
  8. 8 Week
    Professional issues — triage/ESI, EMTALA, throughput, ethics, safety
    50 Qs
  9. 9 Week
    Full-length timed practice exam + error-log review
    175 Qs
  10. 10 Week
    Targeted review of weak content areas, rest, test day
    40 Qs

How CEN candidates actually fail — and how to avoid it

Sample CEN question

This item mirrors BCEN's scenario format: a short clinical stem, an unstable ED patient, and four plausible options where only one is best. Try it before you read the rationale.

Sample CEN exam item
A 58-year-old man presents with crushing substernal chest pain radiating to the left arm for 40 minutes. He is diaphoretic, BP 148/90, HR 96. The 12-lead ECG shows 3 mm ST-segment elevation in leads II, III, and aVF. He has received aspirin and is on the monitor.
Which nursing action should the emergency RN prioritize next?

Key CEN terms every candidate should know

These terms surface across CEN exam items. Review them until the definitions feel automatic — scenario stems often hinge on recognizing which framework or bundle applies.

TermDefinitionDomain
ESIEmergency Severity Index — a five-level triage algorithm that assigns acuity by patient stability and predicted resource needs.Professional
STEMIST-Elevation Myocardial Infarction — an acute coronary occlusion requiring emergent reperfusion (PCI or fibrinolysis) measured by door-to-balloon time.Cardiovascular
Sepsis bundleThe time-bound set of interventions — cultures, broad-spectrum antibiotics, lactate, and fluid resuscitation — initiated on recognition of sepsis or septic shock.Medical
RSIRapid Sequence Intubation — coordinated administration of an induction agent and paralytic to secure a definitive airway with minimal aspiration risk.Respiratory
GCSGlasgow Coma Scale — a 3-to-15 score for level of consciousness that drives triage and traumatic-brain-injury decisions.Neurological
Status epilepticusA seizure lasting 5 minutes or longer, or repeated seizures without recovery — a neurological emergency requiring prompt benzodiazepine therapy.Neurological
EMTALAEmergency Medical Treatment and Labor Act — the federal statute requiring medical screening, stabilization, and appropriate transfer for all ED patients.Professional
Tension pneumothoraxProgressive air trapping in the pleural space that collapses the lung and shifts the mediastinum, treated by immediate needle or finger decompression.Respiratory

CEN vs. TCRN, CPEN, CFRN, and TNCC

CEN sits alongside several related credentials and courses that emergency RNs sometimes consider. Many candidates Google "CEN" when they actually mean TNCC, so the distinction matters before you spend time or money.

CredentialBodyScopeBest fit
CENBCENBreadth of emergency nursing across all presentationsED RNs covering the full adult and mixed-age case mix
TCRNBCENTrauma nursing across the full continuumRNs in any trauma-touching setting
CPENBCENPediatric emergency nursingRNs caring for children in the ED
CFRNBCENFlight and inter-facility transport nursingHEMS or fixed-wing transport RNs
TNCC (course, not cert)ENABaseline trauma resuscitation trainingED RNs as foundational education
ENPC (course, not cert)ENABaseline pediatric emergency trainingED RNs as foundational education

Take CEN if your day-to-day is broad emergency-department practice. Add TCRN if you want to validate trauma expertise across the continuum, or CPEN if your focus is pediatric ED. TNCC and ENPC are ENA provider courses — they build skills but do not replace CEN on your credentials line.

Frequently asked questions about CEN certification

CEN stands for Certified Emergency Nurse. The credential is issued by the Board of Certification for Emergency Nursing (BCEN).

No. CEN is a board certification earned by passing a 175-item exam, while TNCC is a provider course run by the Emergency Nurses Association. Only CEN appears as a credential after your name.

The CEN exam has 175 questions — 150 scored and 25 unscored pretest items — with a 3-hour time limit, delivered by computer through Pearson VUE.

You need a current, unencumbered RN license in the US, a US territory, Canada, or Australia. BCEN recommends two years of specialty experience but does not require it.

The CEN exam is moderately difficult. About 51% of completed exams passed in 2025, and the main challenge is the breadth of the ten-area blueprint rather than the depth of any one topic.

The CEN exam costs $380 for non-members and $285 for ENA members. Active-duty service members, reservists, and veterans pay a reduced $195, and a retest is $200.

CEN certification is valid for four years. You renew through CE attestation (100 contact hours, at least 75 in emergency-nursing clinical content) or by retaking the exam.

You may retake the CEN exam after the required waiting period by submitting a retest application and the $200 retest fee. BCEN's optional Test Assurance program prepays a second attempt.

Many emergency departments reimburse the CEN application fee and offer paid study time. Ask your nurse educator or manager, and note that BCEN certifications are VA-approved for eligible military personnel.

Yes. BCEN's updated CEN Examination Content Outline takes effect July 6, 2026, expanding to 11 subject areas, but the exam stays 175 items, 150 scored, over 3 hours.

Trusted sources

All figures on this page are verified against the following primary sources. Fees, blueprint weights, and recertification rules shift on BCEN's revision cycle — always verify numeric facts against the current BCEN handbook before relying on them for application decisions.

  • Board of Certification for Emergency Nursing (BCEN) — Certified Emergency Nurse (CEN) program page
  • BCEN — CEN Eligibility (RN license requirement; 2-year experience recommendation)
  • BCEN — CEN FAQs (175 items, 150 scored, 3-hour format)
  • BCEN — The Cost of a CEN Specialization (fee table: $380 / $285 / $195 / $200; Test Assurance)
  • BCEN — Recertification (4-year cycle; 100 CE hours, 75 specialty-specific; or re-exam)
  • BCEN — Certification Exam Statistics, 2025 (8,889 delivered, 4,198 passed, 41,636 certificants)
  • BCEN — CEN Examination Content Outline, effective 01-2022 (ten content areas, 150 scored items)
  • BCEN — Evolving Excellence: Updating the CEN Exam (content outline effective 2026-07-06)
  • Emergency Nurses Association (ENA) — membership tiers and TNCC / ENPC provider courses
  • US Bureau of Labor Statistics (BLS) — Occupational Employment and Wage Statistics, Registered Nurses (May 2024)

Ready to practice CEN-style items?

Work through a 25-question diagnostic mapped to the CEN blueprint. Free to start — no card required.