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Home/Injury guides/Wrist · Hand · Fingers

Hand, wrist and finger injuries at work.

Presses, saws, mixers, and conveyors. Amputations and crush injuries are almost always two cases — and carpal tunnel from years of repetitive work is a claim of its own.

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How this injury happens at work.

The injuries we see.

Report it, then file it.

California workers’ compensation runs on fixed deadlines, and the carrier will use every one you miss. Report the injury to your employer in writing, ask for the DWC-1 claim form, keep a copy of everything, and get to a doctor the same day if you can. The deadline calculator on our home page shows how long is left on each clock from your date of injury.

1 working dayYour employer must give you the DWC-1 claim form once they know about the injury. Lab. Code § 5401.
30 daysReport the injury to your employer, in writing. Lab. Code § 5400.
90 daysThe claims administrator must accept or deny; silence means the injury is presumed compensable. Up to $10,000 in treatment must be authorized meanwhile. Lab. Code § 5402.
1 yearFile your Application for Adjudication with the WCAB. Lab. Code § 5405.
2 yearsCivil claim against a third party who caused the injury. Code Civ. Proc. § 335.1.

Treatment and your right to a doctor.

Emergency surgery and, where possible, replantation; hand therapy; nerve and tendon repair; prosthetics fitted and replaced as needed. Carpal tunnel: splinting and injections, then release surgery when conservative care fails.

All treatment reasonably required to cure or relieve the injury is covered — no co-pay, no deductible, no lifetime cap. For the first 30 days you generally treat within the employer’s medical provider network unless you pre-designated your own physician; after that you can change treating doctors within the network, and disputes over diagnosis or disability go to a Qualified Medical Evaluator. Utilization-review denials can be appealed through Independent Medical Review within 30 days.

Two claims, not one.

Against your employer · no fault to prove

Workers’ compensation

Medical care, temporary disability at two-thirds of your average weekly wage, permanent disability, and retraining. Your employer can’t be sued — that immunity is the bargain.

Capped · no pain and suffering
Third-party civil claim · likely

Whoever else caused it

A machine that arrived without a guard, an interlock, or a warning anyone could see is a product-liability case against the manufacturer, with pain and suffering on the table. Equipment owned or maintained by another company on site adds another defendant.

No cap · includes pain and suffering

Both cases run at the same time. You do not choose between them, and the two-year civil statute keeps running whether or not the workers’ comp claim is filed.

Permanent disability and what it’s worth.

Amputation ratings are set by schedule and increase with each digit and the dominant hand. Loss of grip, sensation, and dexterity are rated for non-amputation injuries. Hand injuries frequently end a trade — the retraining voucher and Return-to-Work Supplement matter here.

Once you reach maximum medical improvement, the treating physician or the medical-legal evaluator writes a report that is converted to a permanent disability rating and a weekly benefit. Cases then resolve by Compromise & Release for a lump sum, by Stipulated award with future medical care left open, or by trial before a workers’ compensation judge. If your employer can’t offer work within your permanent restrictions, you are also entitled to a Supplemental Job Displacement Benefit voucher for retraining and the Return-to-Work Supplement.

What the carrier will try.

Watch forPreserve the machine. Ask in writing that it not be repaired or altered until it is inspected — spoliation letters go out the first week. Photograph the equipment and any missing guard.

Questions we hear first.

Is carpal tunnel a workers’ comp injury in California?

Yes. Repetitive hand and wrist work causing carpal tunnel is a cumulative trauma injury covered by workers’ comp, including surgery and time off.

Will workers’ comp pay for a prosthetic hand?

Yes. Prosthetics reasonably required by the injury are medical treatment, including replacement and repair over time.

The machine had no guard. Does that matter?

Enormously. Workers’ comp pays regardless of fault, but a missing or defeated guard can support a product-liability case against the manufacturer and a negligence case against whoever maintained the machine.

General information about California law, not legal advice about your case. Statutes cited: Labor Code §§ 4600, 4650, 4658.7, 4906, 5400, 5401, 5402, 5405; Code of Civil Procedure § 335.1. Every case turns on its own facts — call for a free consultation.