How long do I have to file a medical malpractice claim in Los Angeles County?

California's medical malpractice statute of limitations under Code of Civil Procedure §340.5 gives you three years from the date of injury or one year from when you discovered (or reasonably should have discovered) the injury, whichever comes first. This "discovery rule" matters significantly in cases where the malpractice wasn't immediately apparent — a surgical instrument left inside a patient, a missed cancer diagnosis that surfaces only when the disease progresses, or medication errors with delayed effects. Before filing, California law (Code Civ. Proc. §364) requires you to serve the healthcare provider with 90 days' written notice of your intent to sue, which can extend your effective filing window slightly if served near the end of the limitations period. If your claim involves a public hospital — LAC+USC Medical Center or another LA County-operated facility — you must also file a government tort claim under Government Code §910 within six months of the injury, a much shorter and separate deadline that runs independently of the malpractice statute of limitations. For minors, the deadline is generally extended, but malpractice claims involving minors under age six have their own specific tolling provisions under CCP §340.5 that an attorney should evaluate given how fact-specific they are.

What are the damage caps in a California medical malpractice case, and how did they recently change?

California's MICRA law (Civ. Code §3333.2) historically capped non-economic damages (pain, suffering, loss of enjoyment of life) at $250,000 — a figure that stayed frozen since 1975 despite inflation. AB 35, effective January 1, 2023, substantially raised these caps: in non-death cases, the cap started at $350,000 in 2023 and rises by $40,000 each year until reaching $750,000 in 2033. In wrongful death cases, the cap started at $500,000 in 2023 and rises to $1 million by 2033. These caps apply only to non-economic damages — your past and future medical expenses, lost wages, and lost earning capacity remain fully recoverable with no statutory ceiling, which matters enormously in LA County given how high medical costs and lost-income calculations can run, particularly for serious, life-altering injuries treated at the county's major academic medical centers. The cap applies per case (not per defendant) in most circumstances, though multi-defendant cases can present complex apportionment questions about how the capped non-economic damages get allocated among several at-fault providers.

My loved one was harmed at LAC+USC Medical Center, a public hospital. Is the claims process different?

Yes, in one important respect: because LAC+USC Medical Center (2051 Marengo St., Los Angeles CA 90033; 323-409-1000) is operated by LA County, it's a government entity for liability purposes, which means Government Code §910 applies on top of the standard medical malpractice framework. You must file a written government tort claim with the LA County Claims Section (500 W. Temple St., Room 358, Los Angeles CA 90012; 213-974-1414) within six months of the date you knew or should have known about the injury — a much shorter deadline than the standard three-year/one-year medical malpractice statute of limitations under CCP §340.5. Missing this six-month window permanently bars the lawsuit, regardless of how strong the malpractice case is. The substantive standard-of-care analysis and MICRA damage caps apply the same way as they would against a private hospital — the difference is purely procedural, in the much shorter, earlier deadline and the specific claims office you must notify first. Given how easy this six-month deadline is to miss while a family is focused on a loved one's medical recovery, consulting an attorney promptly after suspected malpractice at any LA County-operated facility is especially time-sensitive.

How do I prove a doctor's conduct fell below the standard of care in an LA County malpractice case?

California requires expert testimony to establish the applicable standard of care in essentially every medical malpractice case — a plaintiff generally cannot simply argue a bad outcome occurred and let a jury infer negligence on its own. You need a qualified expert, typically a physician practicing in the same specialty as the defendant, who reviews the medical records and testifies that the defendant's specific conduct fell below what a reasonably careful provider in that specialty would have done under similar circumstances, and that this deviation caused your injury. LA County's concentration of academic medical centers — Keck Medicine of USC, UCLA Health, Cedars-Sinai — means there's a deep pool of potential expert witnesses, but it also means the defense typically has access to equally credentialed experts willing to testify the care met the standard. Cases often turn on the competing specificity and credibility of dueling expert reports rather than on undisputed facts. A Medical Board of California complaint, filed separately from the civil case, investigates whether a physician's license should face discipline and can sometimes produce findings that bolster a civil claim, though Board investigations move on their own timeline independent of any pending lawsuit and don't themselves provide financial compensation to the patient.

What resources help LA County residents who can't afford a medical malpractice attorney?

Most LA County medical malpractice attorneys work on contingency, meaning no upfront fee — but because these cases require expensive expert witnesses to prove the standard-of-care violation, attorneys typically screen cases carefully before accepting them, generally requiring damages substantial enough to justify the litigation costs they'll personally advance. This means smaller-damage cases, even where malpractice clearly occurred, can be difficult to find representation for. The LACBA Lawyer Referral and Information Service (213-627-2727; lacba.org) provides referrals to attorneys experienced specifically in medical malpractice litigation, often with an initial reduced-fee consultation to evaluate whether a case is viable. LAFLA (213-640-3883) and Bet Tzedek (323-939-0506) don't typically handle malpractice litigation directly given its specialized and capital-intensive nature, but can provide referrals and assist with related issues like Medi-Cal liens against any eventual settlement or disability-related consequences of the malpractice injury. A complaint to the Medical Board of California is free and doesn't require an attorney, and while it doesn't compensate the patient directly, it can be a meaningful step for patients who can't pursue civil litigation but want the conduct formally investigated and potentially addressed through licensing discipline.

Medical Malpractice in Los Angeles County, California

A clearer medical malpractice guide for Los Angeles County, California: diagnostic-delay timeline, billing-record alignment, and record pressure

A cleaner medical malpractice page for Los Angeles County, California built around diagnostic-delay timeline, treatment chronology, record pressure, and the records worth protecting early.

Reviewed January 2026 3 min read Official-source grounded Ver en Espanol En Español

Key Takeaways

MICRA non-economic damages cap raised by AB 35 (2023): $350K (non-death) to $500K (death), rising annually to $750K/$1M by 2033
Medical costs and lost wages remain fully recoverable with NO cap — only pain-and-suffering damages are subject to the MICRA limit
LAC+USC Medical Center and other county-operated facilities require a 6-month government tort claim (Gov. Code §910) before any lawsuit
90-day pre-litigation notice of intent to sue (CCP §364) is required before filing against any healthcare provider
Standard statute of limitations: 3 years from injury or 1 year from discovery, whichever is first (CCP §340.5)
LACBA Lawyer Referral (213-627-2727) connects patients with malpractice-specific attorneys; Medical Board complaints are free but don't pay compensation

Medical malpractice claims in LA County are filed in the same Stanley Mosk Courthouse civil division as other personal injury matters, but they proceed under California's distinct MICRA framework (the Medical Injury Compensation Reform Act, Civ. Code §3333.2), which was substantially amended by AB 35 effective January 1, 2023 after nearly five decades at its original caps. Non-economic damages (pain and suffering) in non-death cases are now capped at $350,000, rising by $40,000 annually through 2033 when it reaches $750,000; wrongful death cases carry a separate cap starting at $500,000 and rising to $1 million by 2033. These caps apply only to non-economic damages — past and future medical costs and lost income remain fully recoverable without a statutory ceiling, which matters enormously in LA County given the scale of medical costs at the county's major hospital systems.

LA County's hospital landscape ranges from massive public teaching hospitals to elite private academic medical centers, and the institutional context shapes how a malpractice claim proceeds. LAC+USC Medical Center (2051 Marengo St., Los Angeles CA 90033; 323-409-1000), the county's flagship public hospital and Level I trauma center, is operated by LA County itself, meaning claims against it may require a government tort claim under Government Code §910 within six months — a deadline that runs parallel to, and is shorter than, MICRA's standard three-year statute of limitations (or one year from discovery, whichever is first, under CCP §340.5). Private systems — Cedars-Sinai (8700 Beverly Blvd., Los Angeles CA 90048; 310-423-3277), Keck Medicine of USC, UCLA Health, and Providence's LA-area hospitals — follow the standard CCP §340.5 timeline without the government claim requirement, but typically field sophisticated, well-resourced defense counsel given their scale and litigation experience.

California's pre-litigation notice requirement (Code Civ. Proc. §364) mandates that a malpractice plaintiff serve the defendant healthcare provider with 90 days' written notice of intent to sue before filing — a step that's easy to overlook but that, if skipped, can complicate or delay the case. Expert witness requirements are central to LA County malpractice litigation: California requires a qualified medical expert in the same specialty to establish that the defendant's conduct fell below the accepted standard of care, and given the concentration of specialists across LA County's major academic medical centers, both plaintiffs and defendants generally have access to highly credentialed experts — meaning these cases are often decided on the competing credibility and specificity of dueling expert testimony rather than on undisputed facts.

Particular LA County malpractice patterns include birth injury claims at the county's high-volume labor and delivery units (both public and private hospitals deliver tens of thousands of babies annually across the county), surgical errors at high-volume specialty centers (particularly given LA's concentration of elective cosmetic and bariatric surgery practices, some operating outside full hospital-accreditation oversight), and diagnostic delay claims — failure to timely diagnose cancer or a time-sensitive condition — which represent a significant share of the county's malpractice filings given the population's sheer size and the resulting volume of diagnostic imaging and pathology work processed daily across the county's labs and radiology departments.

The Medical Board of California, headquartered in Sacramento but covering LA County licensees, investigates physician complaints and can pursue licensing discipline separately from any civil malpractice case — a complaint to the Board doesn't result in compensation for the patient but can support a parallel civil claim by establishing a documented standard-of-care violation. For income-qualifying LA County residents pursuing a malpractice claim, the LACBA Lawyer Referral and Information Service (213-627-2727) refers to attorneys experienced in medical malpractice litigation, though given the high cost of expert witnesses required to prove these cases, most malpractice attorneys carefully screen cases for sufficient damages before accepting representation on contingency.

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