200+ Free COHN Practice Questions
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Key Facts: COHN Exam
160
Total Items
ABOHN exam handbook
135 + 25
Scored + Unscored
ABOHN exam specifications
3h
Exam Time
ABOHN testing information
45%
Clinical Practice
ABOHN test blueprint
32%
Risk & Compliance
ABOHN test blueprint
$360
Exam Fee
ABOHN fee schedule
ABOHN's COHN exam consists of 160 total items (135 scored + 25 unscored) with a 3-hour time limit. The exam covers clinical practice and case management (45%), risk and compliance (32%), and program management (30%). Eligibility requires an active RN license and 3,000+ hours of occupational health nursing practice within the last 5 years.
About the COHN Exam
The COHN certification validates expertise in occupational health nursing across three domains: Clinical Practice and Case Management (45%), Risk and Compliance (32%), and Program Management and Quality Assurance (30%). It demonstrates competency in caring for workers, preventing workplace injuries, and managing occupational health programs.
Questions
160 scored questions
Time Limit
3 hours
Passing Score
Scaled score (varies by administration)
Exam Fee
$360 (ABOHN (American Board for Occupational Health Nurses) / PSI)
COHN Exam Content Outline
Clinical Practice and Case Management
Work-related injuries and illnesses, health assessments, fitness-for-duty evaluations, case management, FMLA/STD/LTD, workers compensation, return-to-work coordination, and disability management
Risk and Compliance
Risk assessment, hazard identification, ergonomics, hierarchy of controls, industrial hygiene, OSHA standards, safety programs, emergency preparedness, disaster planning, and regulatory compliance
Program Management and Quality Assurance
Health promotion and wellness programs, EAP coordination, infection control, occupational health surveillance, quality improvement, program development, budget management, and interdisciplinary collaboration
How to Pass the COHN Exam
What You Need to Know
- Passing score: Scaled score (varies by administration)
- Exam length: 160 questions
- Time limit: 3 hours
- Exam fee: $360
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
COHN Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the COHN exam?
The ABOHN COHN exam contains 160 total items: 135 scored questions and 25 unscored pretest questions.
How long is the COHN exam?
ABOHN provides 3 hours for the COHN certification examination.
What score is needed to pass COHN?
ABOHN uses scaled scoring for the COHN exam. The passing standard is set by ABOHN and may vary slightly by administration. Candidates receive a preliminary pass/fail result at the test center.
What are the COHN eligibility requirements?
To sit for the COHN exam, you must hold a current, unrestricted RN license in the US or Canada, and have at least 3,000 hours of occupational health nursing practice within the previous 5 years.
How much does COHN certification cost?
The ABOHN COHN exam fee is currently $360. This fee is subject to change; check the ABOHN website for current pricing.
How do I maintain my COHN certification?
COHN certification is valid for 5 years. Recertification requires either passing the exam again or completing continuing education and professional development activities as specified by ABOHN's recertification program.
What is the difference between COHN and COHN-S?
COHN is the base certification requiring an RN license and occupational health experience. COHN-S requires additional education (bachelor's or higher) and demonstrates advanced competency in occupational health nursing management and leadership.