Most people picture workers' comp as ladder falls and forklift accidents. California law is much broader than that, covering repetitive injuries, mental health conditions, occupational illnesses, and even injuries that happen at work-sponsored events.
The Basic Rule: Arising Out of and in the Course of Employment
California Labor Code § 3600 says an injury is covered if it "arises out of and in the course of employment," shortened to AOE/COE in the case files. That phrase does a lot of work. It covers obvious accidents, but it also covers a long list of injuries that surprise most workers.
Specific Injuries (One Event)
The clearest category. Examples we see across LA every month:
- Falls from scaffolding, ladders, or wet floors
- Lifting injuries: back, shoulder, hernia
- Vehicle accidents while driving for work (delivery, sales, home health)
- Cuts, burns, and crush injuries from tools or machinery
- Slip-and-falls in warehouses, restaurants, and hotels
- Assault by a customer, patient, or co-worker on the job
Cumulative Trauma (Repetitive Injuries)
One of the most underclaimed categories. If your body broke down over months or years of doing the same job, California treats it as a single compensable injury with the date of injury set at the day you first knew it was work-related.
- Carpal tunnel from data entry, line cooking, or assembly work
- Lower back degeneration from years of lifting
- Rotator cuff and shoulder tears from overhead work (warehouse, painters, hairstylists)
- Knee and hip arthritis accelerated by years of standing on concrete
- Hearing loss from prolonged exposure to industrial noise
- Vocal cord damage in teachers, call center workers, and performers
Occupational Illnesses
Diseases that develop because of exposure on the job:
- Lung conditions from dust, asbestos, silica, or chemical exposure
- Cancers tied to known occupational carcinogens
- Skin conditions from chemicals or repeated contact with irritants
- Infectious diseases for healthcare workers and first responders
Mental and Psychiatric Injuries
California recognizes psychiatric injuries under Labor Code § 3208.3, with stricter rules. You generally need to show:
- At least six months of employment (with limited exceptions for sudden, extraordinary events)
- Actual events of employment were "predominant" (51 percent or more) in causing the condition
- A diagnosable mental disorder under the DSM, not just stress
PTSD after a robbery at a Hollywood convenience store, severe anxiety after a workplace assault, depression after a sustained pattern of harassment, all of these can qualify if properly documented.
COVID-19 and Infectious Diseases
California's SB 1159 created a rebuttable presumption that COVID-19 contracted by certain frontline workers (healthcare, peace officers, firefighters, food handlers during outbreaks) is work-related. The presumption rules have evolved, but COVID-related claims remain compensable when the work connection can be shown.
Injuries Off the Clock That Still Count
This catches people off guard. The "in the course of employment" rule includes:
- Work-sponsored events where attendance was expected or encouraged (holiday parties, team-building, off-sites)
- Travel between job sites during the workday
- Business travel, including hotel stays
- Injuries during paid breaks on employer premises
- The "special errand" doctrine: trips outside normal hours requested by the employer
What Is Not Covered
- Injuries while commuting to and from work (the "going and coming" rule, with exceptions)
- Injuries caused entirely by your own intoxication
- Self-inflicted injuries
- Injuries during a fight you started
- Recreational activities outside the scope of work, even on employer property
The Practical Test
If you got hurt because of something connected to your job, written off or undiagnosed for months does not matter, California's system is designed to cover it. The harder questions are about proof, not eligibility. That is what the claim process is for, and what a workers' comp attorney is for.
Hurt on the job in Los Angeles? Talk to a real workers' comp attorney. Free, confidential, in English, Español, or Հայերեն. Call (747) 777-5977 or send a message.