29 CFR 1904.5 Walkthrough: Determining Work-Related Injuries
For trade subcontractors, framing crews, and general contractors, maintaining accurate safety records requires understanding federal recordability standards before logging an incident. The core standard for evaluating whether an incident must be logged is outlined in eCFR 29 CFR 1904.5. Deciding if an event is work-related follows a structured sequence of regulatory tests rather than informal assumptions.
Step 1: Define the Work Environment and Apply the Basic Presumption
The evaluation begins with the basic requirement of 29 CFR 1904.5(a). An injury or illness is considered work-related if an event or exposure in the work environment either caused or contributed to the resulting condition, or significantly aggravated a pre-existing condition. Work-relatedness is presumed for injuries and illnesses resulting from events or exposures occurring in the work environment unless a specific regulatory exception applies.
Under 29 CFR 1904.5(b)(1), OSHA defines the work environment as the establishment and any other locations where one or more employees are working or are present as a condition of their employment. This encompasses not just physical jobsites or shops, but also equipment and materials used by an employee during the course of work. When reviewing records alongside your broader OSHA 300 log recordkeeping, any incident occurring in these areas starts with the presumption of work-relatedness.
Step 2: Screen the Incident Against the Nine Regulatory Exceptions
Even when an event occurs within the physical work setting, 29 CFR 1904.5(b)(2) provides nine distinct exceptions where an injury or illness is not considered work-related and therefore is not recordable:
- General public presence: The employee is present in the work environment strictly as a member of the general public rather than as an employee.
- Outside symptoms: The condition involves signs or symptoms that surface on site but result solely from an event or exposure occurring outside the work environment.
- Voluntary wellness programs: The condition stems solely from voluntary participation in a medical, fitness, recreational, or wellness activity, including blood donations, physical examinations, flu shots, exercise classes, racquetball, or baseball.
- Personal food and drink: The injury or illness results solely from eating, drinking, or preparing personal food or beverage, such as choking on a sandwich. However, illness from food contaminated by workplace hazards like lead, or food poisoning from employer-supplied food, is work-related.
- Personal tasks outside hours: The incident happens while the employee is performing personal tasks unrelated to work outside assigned working hours.
- Personal grooming or self-harm: The condition results solely from personal grooming, self-medication for a non-work condition, or is intentionally self-inflicted.
- Commuting motor vehicle accidents: The injury is caused by a motor vehicle accident occurring on a company parking lot or access road during the employee's commute to or from work.
- Colds and flu: The illness is the common cold or flu. In contrast, contagious conditions such as tuberculosis, brucellosis, hepatitis A, or plague are work-related if contracted at work.
- Mental illness: Mental conditions are excluded unless the worker voluntarily provides an opinion from a physician or licensed health care professional with appropriate training and experience—such as a psychiatrist, psychologist, or psychiatric nurse practitioner—stating that the illness is work-related.
Step 3: Evaluate Unclear Exposures and Significant Aggravation
When it is not obvious whether a precipitating event occurred on the job or off duty, 29 CFR 1904.5(b)(3) directs employers to evaluate the worker's duties and environment. You must verify whether workplace events caused, contributed to, or aggravated the condition.
Under 29 CFR 1904.5(b)(5), a preexisting condition is one that resulted solely from a non-work event or exposure outside the workplace. According to 29 CFR 1904.5(b)(4), a preexisting condition has been significantly aggravated if a workplace event results in any of the following outcomes that would not have occurred but for the workplace event:
- Death;
- Loss of consciousness;
- One or more days away from work, days of restricted work, or days of job transfer; or
- Medical treatment when no medical care was needed prior to the event, or when a change in medical treatment is necessitated by the occupational exposure.
Step 4: Check Travel Status and Temporary Residence Criteria
Incidents occurring while an employee travels are work-related if the worker was engaged in activities in the interest of the employer, including conducting tasks, traveling to customer contacts, or entertaining business associates at the employer's direction. However, eCFR 29 CFR 1904.5 outlines two specific travel exceptions under paragraph (b)(6):
First, when a traveling worker checks into a hotel, motel, or temporary residence, they establish a home away from home. The worker leaves the work environment upon check-in and re-enters it when starting work each day. Normal commutes between the temporary residence and a fixed job location are not work-related. Second, injuries sustained while taking personal detours or side trips away from a reasonably direct route of travel are not work-related.
Step 5: Apply Remote and Home Office Rules
When trade staff or office estimators perform duties remotely, 29 CFR 1904.5(b)(7) applies. An injury or illness sustained at home is work-related only if it occurs while performing work for pay or compensation and is directly related to the performance of work rather than the general home setting.
For example, if an employee drops a box of work documents on their foot, or punctures a fingernail with a needle while using a sewing machine for garment work and needs medical treatment, the case is work-related. Conversely, if an employee trips over the family dog while rushing to answer a work call or is injured due to faulty home electrical wiring, the incident is not considered work-related.
Sources
eCFR 29 CFR 1904.5 Determination of work-relatedness
Published November 9, 2026. No affiliate links on this page. Facts come from the sources linked above; check them for updates.