COHN-S Certified Occupational Health Nurse-Specialist Certification Exam Study Guide 2026-2027
COHN-S Certified Occupational Health Nurse-Specialist Certification Exam Study Guide 2026-2027
Comprehensive Review, Practice Questions, and Detailed Answer Explanations Aligned with ABOHN Certification
By Capra Academy · Published June 9, 2026 · 285 pages
About This Book
Comprehensive preparation for the ABOHN COHN-S certification exam. Covers clinical occupational health practice, case management, health and safety, management and leadership, and research. Includes industrial hygiene, OSHA regulations, workers’ compensation, and program management topics. Practice questions with detailed rationales.
What’s Inside
- Clinical Occupational Health Practice
- Case Management & Workers’ Compensation
- Industrial Hygiene & OSHA Regulations
- Management & Program Leadership
- Research & Evidence-Based Practice
- Practice Questions with Rationales
Frequently Asked Questions
What is the COHN-S certification?
The COHN-S (Certified Occupational Health Nurse-Specialist) from ABOHN validates advanced expertise in occupational health nursing at the specialist level — including management, program development, and policy implementation.
What is the difference between COHN and COHN-S?
The COHN is for clinical occupational health nurses (RN required). The COHN-S is for specialists with broader management responsibilities (bachelor’s degree required). The COHN-S exam has more management content (22% vs 10%).
How many questions are on the COHN-S exam?
The COHN-S exam has 160 multiple-choice questions (135 scored + 25 pretest) with a 3-hour time limit. Eligibility requires a bachelor’s degree, RN license, and 3,000 hours of occupational health nursing experience in the past 5 years.