COHN(C) key terms
COHN(C) · Get comfortable with the vocabulary.
- Occupational Health Nursing
- Related: Primary Prevention, Health Surveillance
A specialty practice that promotes and protects the health of workers through assessment, prevention, surveillance, and care delivered in or related to the workplace setting.
- Scope of Practice
- Related: Standard of Care, Delegation
The legally defined boundaries of what a nurse may do, based on licensure, education, competence, and state or provincial nurse practice acts.
- Standard of Care
- Related: Scope of Practice, Negligence
The level and type of care a reasonably prudent nurse with similar training would provide in comparable circumstances, used to judge professional conduct.
- Negligence
- Related: Standard of Care, Documentation
Failure to meet the accepted standard of care, causing harm, established through duty, breach, causation, and damages in a legal claim.
- Confidentiality
- Related: Need-to-Know Access, Documentation
The ethical and legal obligation to protect worker health information from unauthorized disclosure, subject to limited exceptions such as imminent danger or legally required reporting.
- Need-to-Know Access
- Related: Confidentiality, Fitness-for-Duty Evaluation
A privacy principle limiting release of a worker's medical information to those with a legitimate, job-related reason, excluding unrelated details from managers and coworkers.
- Informed Consent
- Related: Confidentiality, Health Surveillance
Voluntary agreement to a health procedure or screening after receiving understandable information about purpose, risks, benefits, and alternatives, documented before the activity begins.
- Documentation
- Related: Negligence, Confidentiality
Timely, objective, and complete recording of assessments, interventions, exposures, and communications that supports continuity of care and provides legal evidence of nursing actions.
- Delegation
- Related: Scope of Practice, Standard of Care
Assigning a specific nursing task to another competent person while the nurse retains accountability for appropriate selection, instruction, supervision, and evaluation of the outcome.
- Hazard Identification
- Related: Hierarchy of Controls, Exposure Assessment
A systematic process of recognizing biological, chemical, physical, ergonomic, and psychosocial agents or conditions in the workplace that could harm workers.
- Exposure Assessment
- Related: Hazard Identification, Biological Monitoring
Measuring or estimating the intensity, frequency, and duration of worker contact with a hazard, often through sampling, observation, and exposure records.
- Hierarchy of Controls
- Related: Personal Protective Equipment, Hazard Identification
A ranked approach to reducing risk, from most to least effective: elimination, substitution, engineering controls, administrative controls, and personal protective equipment.
- Personal Protective Equipment
- Related: Hierarchy of Controls, Respirator Fit Testing
Devices such as gloves, respirators, and eye protection worn by workers to reduce exposure, used as a last line of defense after other controls.
- Respirator Fit Testing
- Related: Personal Protective Equipment, Medical Clearance
A procedure verifying that a tight-fitting respirator seals to a worker's face, conducted before initial use and periodically or when facial changes occur.
- Permissible Exposure Limit
- Related: Exposure Assessment, Threshold Limit Value
A regulatory maximum airborne concentration of a substance to which most workers may be exposed over a specified time period, such as an eight-hour shift.
- Threshold Limit Value
- Related: Permissible Exposure Limit, Exposure Assessment
A nonregulatory occupational exposure guideline published by a scientific committee, representing airborne concentrations believed safe for most workers over a working lifetime.
- Biological Monitoring
- Related: Exposure Assessment, Health Surveillance
Testing blood, urine, or breath to measure a worker's internal dose of a substance or its metabolite, reflecting total exposure from all routes.
- Health Surveillance
- Related: Medical Screening, Biological Monitoring
Ongoing, systematic collection and review of worker health data, such as screening results and exposure records, to detect work-related disease early and guide prevention.
- Medical Screening
- Related: Health Surveillance, Audiometric Testing
Testing asymptomatic workers to detect early signs of work-related conditions, such as hearing tests or lung function tests, with results linked to preventive action.
- Audiometric Testing
- Related: Medical Screening, Standard Threshold Shift
Measurement of hearing thresholds by frequency to detect noise-induced hearing loss, typically done at baseline and annually with comparison to prior results.
- Standard Threshold Shift
- Related: Audiometric Testing, Hearing Conservation Program
A defined average worsening of hearing thresholds compared with baseline, triggering notification, follow-up, and review of noise controls and hearing protection use.
- Hearing Conservation Program
- Related: Audiometric Testing, Standard Threshold Shift
A set of workplace measures including noise monitoring, audiometric testing, hearing protection, training, and recordkeeping required where noise exposure reaches a specified level.
- Medical Clearance
- Related: Respirator Fit Testing, Fitness-for-Duty Evaluation
A clinician's determination that a worker can safely perform a task or wear protective equipment, such as a respirator, given current health status and job demands.
- Fitness-for-Duty Evaluation
- Related: Functional Capacity Evaluation, Need-to-Know Access
An individualized clinical assessment of whether a worker can perform essential job functions safely, focusing on functional capacity rather than diagnosis.
- Functional Capacity Evaluation
- Related: Fitness-for-Duty Evaluation, Job Analysis
A structured assessment of a worker's physical abilities, such as lifting, standing, and gripping, compared with the demands of a specific job.
- Job Analysis
- Related: Functional Capacity Evaluation, Essential Functions
A systematic description of a position's tasks, physical demands, tools, and environment, used to match workers to jobs and design accommodations or return-to-work plans.
- Essential Functions
- Related: Job Analysis, Reasonable Accommodation
The fundamental duties of a position that must be performed, with or without reasonable accommodation, distinguished from marginal or incidental tasks.
- Reasonable Accommodation
- Related: Essential Functions, Return-to-Work Program
A modification to a job, schedule, equipment, or work environment that enables a qualified worker with a disability to perform essential functions without undue hardship.
- Return-to-Work Program
- Related: Transitional Duty, Reasonable Accommodation
A coordinated employer process offering modified or transitional duties, gradually increasing demands, to help injured or ill workers resume productive employment safely.
- Transitional Duty
- Related: Return-to-Work Program, Job Analysis
Temporary, modified work assignments that accommodate current functional limits while a worker recovers, typically with defined review dates and progression criteria.
- Case Management
- Related: Return-to-Work Program, Transitional Duty
A collaborative process of assessing, planning, coordinating, and evaluating services and resources to meet an injured worker's needs and achieve agreed outcomes.
- Workers' Compensation
- Related: Case Management, Recordkeeping
A no-fault insurance system providing medical care, wage replacement, and disability benefits to workers injured or made ill by work, generally barring suits against employers.
- Recordkeeping Requirements
- Related: Workers' Compensation, Documentation
Legal obligations to create and retain records of work-related injuries, illnesses, exposures, and training for specified periods, with formats and timelines set by regulation.
- Primary Prevention
- Related: Secondary Prevention, Health Promotion
Actions taken before disease or injury occurs, such as eliminating hazards, immunizing workers, and providing education, to reduce incidence in the workforce.
- Secondary Prevention
- Related: Primary Prevention, Medical Screening
Early detection and prompt intervention for workers with preclinical or early disease, such as screening programs and exposure surveillance, to limit progression and disability.
- Health Promotion
- Related: Primary Prevention, Health Risk Appraisal
Planned activities and supportive environments that help workers improve and maintain health, such as physical activity, nutrition, sleep, and stress-management programs.
- Health Risk Appraisal
- Related: Health Promotion, Motivational Interviewing
A questionnaire-based tool that estimates a worker's risk for disease from lifestyle and personal factors and provides individualized feedback to guide health goals.
- Motivational Interviewing
- Related: Health Promotion, Health Risk Appraisal
A collaborative, goal-oriented counseling style that explores a worker's own reasons for change and strengthens confidence, rather than directing or persuading.
- Health Coaching
- Related: Motivational Interviewing, Health Promotion
A structured, worker-centered partnership using goal setting, education, and follow-up to support sustained behavior change and self-management of health conditions.
- Emergency Action Plan
- Related: Drill, Triage
A written document specifying roles, alarms, evacuation routes, assembly points, and communication methods for responding to workplace emergencies.
- Drill
- Related: Emergency Action Plan, After-Action Review
A planned rehearsal of emergency procedures that tests response times, roles, and equipment, followed by a debrief to identify and correct gaps.
- Triage
- Related: Emergency Action Plan, Incident Command System
Rapid sorting of casualties by severity of injury and likelihood of benefit from care, to allocate limited resources during an emergency or mass-casualty event.
- Incident Command System
- Related: Triage, After-Action Review
A standardized, scalable management structure with defined roles and common terminology used to coordinate response across agencies during emergencies.
- After-Action Review
- Related: Drill, Quality Improvement
A structured debrief after an exercise or real event that examines what happened, what worked, and what should change, producing documented improvement actions.
- Root Cause Analysis
- Related: Quality Improvement, After-Action Review
A systematic method for tracing an adverse event or near miss back to underlying system failures, so that corrective actions address causes rather than blame individuals.
- Quality Improvement
- Related: Root Cause Analysis, Benchmarking
Continuous, data-driven efforts using defined measures, planned changes, and remeasurement to improve the safety, effectiveness, and efficiency of occupational health services.
- Benchmarking
- Related: Quality Improvement, Incidence Rate
Comparing an organization's performance measures, such as injury rates or program participation, with internal targets or external peers to identify improvement opportunities.
- Incidence Rate
- Related: Benchmarking, Recordkeeping Requirements
The number of new cases of injury or illness in a population during a defined period, often expressed per 100 or 200,000 hours worked for comparison.
- Program Evaluation
- Related: Quality Improvement, Benchmarking
A structured assessment of whether an occupational health program met its objectives, reached intended workers, and delivered value relative to its costs.