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✦ Certified Specialist in Workers’ Compensation Law — Certified by the State Bar of California, Board of Legal Specialization ✦
Serving injured workers across California. Board-certified specialist; no fee unless we win.
By Eman Yazdchi, Esq. · Certified Specialist in Workers' Compensation Law, State Bar of California Board of Legal Specialization
In California, workers' compensation under Labor Code §3600 covers job-related injuries; State Disability Insurance covers non-work injuries; private long-term disability supplements both. Many injured workers qualify for more than one. Yazdchi Law, a Certified Specialist in Workers' Compensation Law firm, sorts the overlap. Request a free case review.
An injured California worker often receives mail from three different sources at once: the employer's workers' compensation insurer, the California Employment Development Department about State Disability Insurance, and (sometimes) a private long-term disability carrier. Each is a separate benefits system with separate eligibility, separate timelines, and separate dollar amounts. Many injured workers qualify for more than one; many also lose money by claiming the wrong one first.
The dividing line on which system applies is what caused the disability. Workers' compensation under California Labor Code §3600 covers an injury or illness that arose out of and in the course of employment — no fault required. California State Disability Insurance covers a non-work injury, illness, or pregnancy and is paid from the worker's own SDI payroll deductions through EDD. Private long-term disability is purchased by the employer or the worker and pays a percentage of pre-disability income, typically after a short-term disability period.
Yazdchi Law represents injured California workers statewide from a home office at 1125 W Avenue M-14 in Palmdale, with appearances at the Van Nuys, Bakersfield, Los Angeles, Long Beach, Pomona, San Bernardino, Riverside, and Oxnard WCAB district offices. Eman Yazdchi is a Certified Specialist in Workers' Compensation Law, certified by the California Board of Legal Specialization, State Bar of California. The firm focuses on the workers' compensation side and explains how the other two interact with a comp claim.
The three systems sit side by side, with workers' compensation governed by California Labor Code, SDI governed by the California Unemployment Insurance Code and administered by EDD, and private long-term disability governed by the insurance policy and (often) ERISA. The trade-off table below maps the differences.
| Factor | Workers' compensation | State Disability Insurance (SDI) | Private long-term disability |
|---|---|---|---|
| Covers what | Job-related injury or illness under California Labor Code §3600. | Non-work injury, illness, or pregnancy. | Whatever the policy defines (typically broad). |
| Who funds it | Employer (via comp insurer). | Worker (via SDI payroll deduction). | Employer or worker (via premium). |
| Wage replacement | Two-thirds of average weekly wage under California Labor Code §4653. | Approximately 60–70% of wages, up to a weekly maximum set by EDD. | Typically 50–70% of pre-disability income, per policy. |
| Duration | Up to 104 compensable weeks of TTD; permanent disability indemnity under California Labor Code §4658. | Up to 52 weeks per claim, per EDD. | Per policy — often to age 65 for "own occupation" or "any occupation" definitions. |
| Medical care | All reasonable treatment under California Labor Code §4600 — no copay, no deductible. | None — SDI is wage replacement only. | None — typically wage replacement only. |
| Permanent disability | PD indemnity under California Labor Code §4660 based on AMA Guides 5th Edition rating. | None — SDI ends at 52 weeks or recovery. | Long-term benefit continues per policy definition of disability. |
| Settlement | C&R or Stipulations approved by the WCAB judge. | No settlement — benefit ends at recovery, 52 weeks, or return to work. | Lump-sum buyout sometimes negotiated; subject to policy and ERISA review. |
| Retaliation protection | California Labor Code §132a protects against firing or demotion for filing. | Limited statutory protections under SDI/CFRA framework. | ERISA Section 510 protects against benefit-related termination. |
Workers' compensation under California Labor Code §3600 applies when the injury or illness "arose out of and in the course of employment" — the classic AOE/COE test. A warehouse worker who herniates a disc lifting a 70-pound box is on the workers' comp side. A nurse who develops a back injury from repeated patient transfers under California Labor Code §3208.1 cumulative trauma is on the workers' comp side. SDI applies when the injury or illness happened off the job — a car accident on a Saturday, a non-work back surgery, a pregnancy unrelated to the workplace. If an insurer denies a workers' comp claim arguing the injury is not work-related, the worker can sometimes use SDI to bridge the gap while the comp dispute is resolved.
California permits a worker to receive SDI while a denied or disputed workers' compensation claim is pending. EDD will pay the SDI benefit; if the workers' compensation claim is later accepted and pays temporary disability under California Labor Code §4653 for the same period, EDD asserts a lien against the comp recovery for the SDI it advanced. The net effect is that the worker has wage replacement throughout the dispute, with the eventual comp award reduced by the SDI lien. A specialist coordinates the EDD lien negotiation as part of the comp settlement.
Private long-term disability policies are governed by the contract and, where employer-provided, by ERISA. Most policies include an "offset" — long-term disability benefits are reduced dollar-for-dollar by any workers' compensation indemnity the worker receives. The math means a worker on both systems typically does not double-collect; the LTD policy pays the difference between its benefit and the comp indemnity. Some policies also offset against SDI. Reading the offset clause before settling a workers' compensation claim is essential, because a Compromise & Release lump sum can be amortized by the LTD carrier across the months of disability remaining.
Social Security Disability Insurance is a separate federal program for total disability lasting at least 12 months. A California worker can apply for SSDI alongside workers' compensation, but a federal offset under 42 U.S.C. 424a generally caps combined SSDI plus workers' comp at 80% of pre-disability earnings. A workers' compensation Compromise & Release can be drafted with language that minimizes the SSDI offset by allocating the lump sum across the worker's remaining work-life expectancy. The drafting matters; SSA reads the four corners of the settlement.
Injured at work? Call (661) 273-1780
Tap to call →If the injury or illness is work-related, filing the workers' compensation DWC-1 under California Labor Code §5401 should come first. Workers' compensation covers medical care under California Labor Code §4600 at no cost to the worker — no copay, no deductible — and SDI does not cover medical care at all. The 30-day notice clock under California Labor Code §5400 and the one-year statute of limitations under California Labor Code §5405 run on the workers' compensation side regardless of any SDI filing.
If the workers' compensation insurer denies the claim or stalls past the 90-day decision window under California Labor Code §5402(b), an injured California worker can apply for SDI through the California EDD to bridge the gap. EDD pays approximately 60–70% of wages up to a weekly maximum. If the comp claim is later accepted, EDD asserts a lien against the comp recovery for the SDI it advanced — a specialist coordinates the lien resolution.
Yazdchi Law P.C., 1125 W Avenue M-14, Suite A, Palmdale, CA 93551. (661) 273-3939. Free consultations across California on workers' compensation, including how it interacts with SDI and private long-term disability. Workers' compensation attorney fees are contingent and set by the WCAB under California Labor Code §4906 — typically 15% of the indemnity recovery, with nothing owed unless the case recovers. Eman Yazdchi, Esq., is a Certified Specialist in Workers' Compensation Law, certified by the California Board of Legal Specialization, State Bar of California.
This is informational; the right answer depends on facts your attorney evaluates.
Last reviewed by Eman Yazdchi, Esq., May 2026.
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