A work-related injury or illness goes on your OSHA 300 log if it results in any of these: death, days away from work, restricted work or job transfer, medical treatment beyond first aid, loss of consciousness, or a significant injury or illness diagnosed by a physician or other licensed health care professional (29 CFR 1904.7(a)).
"First aid" is not a judgment call. It's an exclusive list of 14 treatments in 1904.7(b)(5)(ii). If the care given isn't on that list, it's medical treatment, and the case is recordable.
Step one: is it work-related and new?
Before the outcome question, two gates. An injury or illness is presumed work-related if an event or exposure in the work environment caused or contributed to it, subject to a short list of exceptions like symptoms that merely surface at work or personal tasks outside working hours (1904.5). It must also be a new case rather than the continuation of one already logged (1904.6). Clear both gates, then look at outcomes.
The six outcomes that make a case recordable
- Death. Also triggers a direct report to OSHA within 8 hours (1904.39), separate from the log.
- Days away from work. Even one. Count calendar days including weekends and holidays, starting the day after the injury; you may stop at a 180-day cap (1904.7(b)(3)).
- Restricted work or job transfer. "Restricted" means the worker is kept from any routine function (something they'd normally do at least once a week) or from a full shift (1904.7(b)(4)). Putting a framer on tool-cleanup duty for three days is a restriction, even though they came to work.
- Medical treatment beyond first aid. The big one. See the list below.
- Loss of consciousness. Any blackout, however brief (1904.7(b)(6)).
- A significant diagnosis. Work-related cancer, chronic irreversible disease, a fractured or cracked bone, or a punctured eardrum is recorded when diagnosed, even if no treatment or time off follows (1904.7(b)(7)). A hairline fracture the worker shakes off is still a recordable.
The complete first aid list
These 14 treatments, and only these, count as first aid (1904.7(b)(5)(ii)). A case whose care never goes beyond this list is not recordable on treatment grounds:
- Non-prescription medication at non-prescription strength
- Tetanus immunizations (other immunizations, like hepatitis B or rabies, are medical treatment)
- Cleaning, flushing, or soaking a surface wound
- Wound coverings: bandages, gauze pads, butterfly bandages, Steri-Strips
- Hot or cold therapy
- Non-rigid support: elastic bandages, wraps, non-rigid back belts
- Temporary immobilization (splint, sling, neck collar, backboard) while transporting the person
- Drilling a fingernail or toenail to relieve pressure, or draining a blister
- Eye patches
- Removing foreign bodies from the eye using only irrigation or a cotton swab
- Removing splinters or foreign material from areas other than the eye by irrigation, tweezers, cotton swabs, or other simple means
- Finger guards
- Massage (physical therapy and chiropractic treatment are medical treatment)
- Drinking fluids to relieve heat stress
OSHA states outright that this list is complete (1904.7(b)(5)(iii)). That cuts both ways: sutures aren't first aid no matter how minor the cut, and a fourth ibuprofen tablet at normal strength is still first aid no matter how bad it looked.
The close calls, settled
- X-rays and diagnostic tests don't count as treatment. Visits solely for observation or diagnostic procedures, including x-rays and blood tests, aren't medical treatment (1904.7(b)(5)(i)). A trip to urgent care that produces a negative x-ray and an ice pack stays first aid.
- Prescriptions are treatment. Prescription medication, or a doctor telling the worker to take an over-the-counter med at prescription strength, crosses the line. The exception: prescription meds used solely for diagnosis, like drops to dilate pupils.
- How the wound gets closed decides. Butterfly bandage or Steri-Strips: first aid. Sutures, staples, or surgical glue: medical treatment, recordable.
- Rigid vs soft. An elastic wrap is first aid. A rigid splint or cast worn as treatment is not. The same splint used only to immobilize during the drive to the clinic is fine.
- The ER visit itself isn't the test. What was done there is. Observation and diagnostics alone don't make a case recordable; the treatment, work restrictions, or diagnosis that come out of the visit might.
Ten plain questions instead of a law degree
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Quick answers
Worker got an x-ray, it was negative, took store-brand ibuprofen. Recordable?
Not on those facts. Diagnostic x-rays aren't medical treatment, and non-prescription medication at non-prescription strength is first aid. If the doctor had prescribed something, restricted their work, or found a fracture, the answer flips.
Is a tetanus shot recordable?
No, tetanus immunization is on the first aid list. Other post-injury immunizations, like hepatitis B or rabies vaccine, are medical treatment and make the case recordable.
The foreman put a cut worker on "light duty" for a week. Recordable?
If that light duty kept the worker from any routine function of their job, or from a full shift, it's restricted work and the case is recordable in column I, with the days counted in column L. Informal restrictions count the same as doctor-ordered ones.
Does a first-aid-only case go anywhere at all?
Not on the OSHA forms. Many companies still note first aid cases internally for their own trend tracking, and that's fine; OSHA just doesn't require or count them. Keeping them off the log keeps your TRIR honest.
Primary sources (checked August 4, 2026): 29 CFR 1904.7 (general recording criteria, first aid list) · 29 CFR 1904.5 (work-relatedness) · 29 CFR 1904.6 (new cases) · 29 CFR 1904.29 (7-day entry)
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