AAOHN is excited to announce our COHN/COHN-S Certification Review Course is now available for on-demand completion! You can now prepare for the exam on your own schedule. 

Course Description

AAOHN's certification review course is designed as a study guide to prepare occupational health nurses for taking the American Board of Occupational Health Nursing (ABOHN) Certification exams: COHN or COHN-S. It also offers a comprehensive review of occupational health nursing for those that are new to the specialty or desire a content refresher.

The COHN/COHN-S Certification Review Course is offered entirely online and is self-paced to accommodate the learner's needs.

Course Package

Includes 18 modules with knowledge check questions and additional resources.

  • Health Promotion
  • Case Management Role
  • Consultant/Advisor Role
  • Clinician Role
  • Principles of Leadership & Management
  • Psychological & Physiological Stress Management
  • Safety & Industrial Hygiene
  • Clinical Practice
  • Chronic Disease Management
  • Emergency Response
  • Physical Hazards & Ergonomics
  • Biohazards
  • Chemical Hazards Pt. 1
  • Chemical Hazards Pt. 2
  • Information Management
  • Research
  • Standards & Regulations
  • Laws


Requirements for Successful Completion

Criteria for Successful Completion:

You must fully complete each module and all assessment questions, along with submitting an evaluation to earn a CNE certificate.

Conflicts of Interest:

No individuals in a position to control content for this activity have any relevant financial relationships to declare.

Commerical Support:

There is no commercial support being received for this course.


  • Members: $399
  • Non-members: $499

Join AAOHN as a member today to get your course discounted and other exclusive, members-only benefits.

This certification review course was developed by subject matter experts in occupational health nursing and following the updated ABOHN 2020 exam blueprints outlined in the ABOHN Candidate Handbooks.

The American Association of Occupational Health Nurses, Inc. (AAOHN) is accredited as a provider of continuing nursing education by the American Nurses Credentialing Center’s Commission on Accreditation.

The American Association of Occupational Health Nurses, Inc. is additionally approved as a CNE provider by the California Board of Registered Nursing (#CEP9283).

AAOHN follows the American Nurses Credentialing Center guidelines in calculating continuing nursing education credits. With every educational activity and evaluation that is completed, each one (1) hour of education time is equal to one (1) continuing nursing education credit.