Occupational health nurses work with employers to help prevent job-related injuries and illnesses and implement health and safety programs, including disaster planning and emergency preparedness. The American Board for Occupational Health Nurses (ABOHN) offers four credentials: Certified Occupational Health Nurse (COHN), Certified Occupational Health Nurse ? Specialist (COHN-S), Case Management (CM) and Safety Management (SM). These occupational health nursing credentials are accredited by the National Commission for Certifying Agencies (NCCA) and the American Board for Nursing Specialties (ABNS). The major professional organization for occupational health nurses is the American Association of Occupational Health Nurses Inc (AAOHN). According to PayScale, the median occupational health nurse salary is $52,822-$70,403.