Surgery after a car accident

A crash serious enough to break bones or tear tissue rarely ends at the emergency room. Broken bones need plates and screws. A fractured or badly herniated disc sometimes needs decompression. A lacerated spleen needs a surgeon before it needs anything else. In 2024, an estimated 2.42 million people were injured in motor vehicle traffic crashes in the United States, and a meaningful share of them ended up scheduled for an operation instead of sent home with a splint and a follow-up appointment¹.

This guide covers what surgery after a crash actually involves: the operations crash victims most often need, who pays for them, and how having surgery changes an injury claim. Insurance rules, lien laws, and filing deadlines vary by state, sometimes sharply, so we'll flag where that's true instead of pretending one rule covers the whole country. For the specifics where you live, check your state's page on this site.

Emergency department treatment versus hospitalization

Federal injury surveillance sorts crash injuries into two rough groups: people treated in an emergency department and released, and people who are hospitalized or transferred for specialized care². Surgery candidates land almost entirely in the second group. A fracture that a cast can hold in place doesn't need an operating room. A fracture that's displaced, unstable, or involves a joint surface usually does.

The operations crash victims most often need

Four categories of surgery come up again and again after motor vehicle collisions.

Orthopedic repair is the most common. Open reduction and internal fixation, ORIF for short, repositions a broken bone and holds it in place with plates, screws, rods, or pins. Surgeons turn to it when a fracture is too displaced or unstable for a cast to hold alignment, or when the break involves a joint surface where healing out of position would cause lasting problems³. Spine injuries follow similar logic. A spinal fusion joins two or more vertebrae to eliminate painful motion or restore stability, and it's generally reserved for fractures, disc herniation combined with instability, or degenerative damage the crash made worse, not for a straightforward disc herniation on its own⁴.

Traumatic brain injury carries the highest stakes. When a CT scan shows a mass lesion, an epidural or subdural hematoma pressing on the brain, or a patient whose neurological status is getting worse, surgeons operate to evacuate the bleed⁵. When brain swelling becomes severe and doesn't respond to medication, some patients undergo decompressive craniectomy: removing a section of skull so the swelling brain has somewhere to expand⁶. A large randomized trial published in 2016 found that the procedure lowers mortality, but that survivors are more likely to live with significant disability than to make a full recovery, a tradeoff that shapes a lot of the decision-making after a severe TBI⁷.

Abdominal trauma rounds out the list. The spleen is the organ most often injured in blunt abdominal trauma. Lower-grade injuries are frequently managed without an operation, but unstable patients and those with high-grade injuries go to exploratory laparotomy and, often, splenectomy⁸.

Recovery from ORIF or a spinal fusion typically runs weeks to months, and it doesn't always move in a straight line. Hardware can loosen or break. A fracture can heal out of alignment, a malunion, or fail to heal at all, a nonunion, sometimes forcing a second trip to the operating room³. Every one of those possibilities belongs in a claim's future medical damages, which is one more reason adjusters and plaintiffs alike wait until MMI to put a number on a case.

Emergency surgery versus surgery your doctor recommends later

Not every operation happens the night of the crash. A bleeding spleen or a brain bleed with mass effect calls for immediate surgery. A disc herniation causing radiating pain and weakness often gets a trial of physical therapy, injections, and time first, with surgery reserved for cases where conservative treatment fails or imaging shows the problem getting worse.

That distinction matters for a claim, because a surgeon has to obtain informed consent before an elective or semi-elective procedure. Courts have generally required a physician to disclose the condition being treated, the nature of the proposed procedure, the expected result, the reasonable alternatives, including doing nothing, and the material risks⁹. The signed consent form from that conversation, along with the surgeon's notes explaining why the operation became necessary, ends up as some of the most persuasive documentation in a claim. It's a doctor, not a lawyer, explaining in real time why the crash made surgery necessary.

Who actually pays for the operation

Three types of coverage typically sit between a crash victim and a surgical bill: health insurance, medical payments or personal injury protection (PIP) coverage on the auto policy, and eventually a settlement or judgment against the at-fault driver's liability insurer. PIP and medical payments coverage pay regardless of fault, up to the policy limit, and a number of states require drivers to carry one or the other¹⁰.

States that require PIP are usually called no-fault states, and most layer an extra rule on top: a minimum-injury, or threshold, requirement before you can sue the at-fault driver for pain and suffering at all. Florida is a workable example. Its PIP statute covers 80 percent of medical bills and 60 percent of lost wages up to $10,000, dropping to a $2,500 cap unless a treating provider certifies an emergency medical condition¹¹. To recover pain and suffering beyond that PIP payout, Florida law requires a significant and permanent loss of an important bodily function, a permanent injury, or significant and permanent scarring¹². New York uses a similarly specific list: death, dismemberment, significant disfigurement, a fracture, permanent loss of use of a body organ or system, or a permanent consequential or significant limitation of use¹³. Surgery, or a surgeon's recommendation for surgery, is often the strongest evidence that an injury clears one of these thresholds. New York removed a separate 90-day category from that same list as part of its 2026 legislative session, so an injury that qualified as serious in that state as recently as last year may no longer qualify¹³.

PIP's wage-replacement piece matters here too. Florida's 60 percent figure is typical of no-fault coverage generally, and it rarely covers a full paycheck during a multi-week surgical recovery, which is part of why lost earning capacity becomes its own line item once a case moves toward settlement.

Every state runs its own version of this analysis, and thresholds, PIP minimums, and the statutes behind them differ enough that you should check the rule for the state where the crash happened rather than assume the national picture applies directly.

Liens that attach to a surgical settlement

Whoever pays your surgical bills up front usually has a right to be paid back out of any settlement. If Medicare covered any of the surgery, it pays as a conditional payment, expecting reimbursement once a liability settlement comes in, under the Medicare Secondary Payer statute¹⁴. Medicare calculates that demand through its Benefits Coordination and Recovery Center, and an attorney typically has to resolve it before disbursing settlement funds to a client¹⁵.

Employer-sponsored health plans governed by ERISA raise a similar issue. In Sereboff v. Mid Atlantic Medical Services, the U.S. Supreme Court held unanimously that a self-funded ERISA plan can enforce a reimbursement clause against the specific settlement funds a patient recovers from an at-fault party, even where state law would otherwise limit that kind of subrogation¹⁶. Because ERISA is federal law, it generally overrides state anti-subrogation protections for the plans it covers.

Hospitals hold their own lien rights under state law, separate from any health insurance lien. Texas, for instance, gives a hospital a lien against a future settlement if it treats a patient within 72 hours of the accident¹⁷. Other states cap what a hospital can recover as a share of the total settlement, or require it to bill available insurance before filing a lien at all. Because these statutes vary this much from state to state, get someone familiar with the version that applies where you live to review any lien before you agree to a settlement number.

Reaching maximum medical improvement before you settle

Surgeons and claims adjusters both use the term maximum medical improvement, or MMI: the point where a patient has recovered as much as they're going to, even if some symptoms or limitations turn out to be permanent. Settling before MMI risks signing away compensation for complications, hardware removal, or revision surgery that shows up later, since a release typically closes the claim entirely, known problems and unknown ones alike.

Once a patient reaches MMI, physicians often use the AMA Guides to the Evaluation of Permanent Impairment to assign a percentage rating to whatever permanent loss of function remains, whether that's a fused vertebra with reduced range of motion or a limb that never regained full strength. More than 40 states rely on some edition of the Guides for this purpose¹⁸. That rating becomes one of the inputs insurers and courts use to value a permanent injury claim, alongside future medical costs and lost earning capacity.

Pre-existing conditions don't get the defense a discount

Defense insurers routinely point to an old back problem or a prior sports injury as a reason to pay less. The eggshell skull rule cuts against that argument: a defendant who negligently causes a crash is liable for the full extent of the harm it causes, even if a healthier person would have walked away with a bruise, and even if the crash mainly aggravated a condition that already existed¹⁹. What has to be shown is that the crash made the surgery necessary, whether because it caused the damage outright or because it turned a manageable condition into one that needed an operation.

The filing clock keeps running while you recover

Surgery, physical therapy, and a long recovery can eat up a year or more, and it's tempting to assume settlement talks or ongoing treatment pause the deadline to sue. They don't. Every state sets its own statute of limitations for a personal injury claim, and the range is wide. Louisiana gives two years for injuries occurring on or after July 1, 2024, after the legislature extended what had been a one-year deadline²⁰. California gives two years from the date of the wrongful act²¹. Maine gives six²². Miss the deadline in your state, whatever it is, and the claim is generally over regardless of how much surgery you needed or how clearly the crash caused it.

What a jury gets to hear about other payments

Under the traditional common-law collateral source rule, a defendant can't tell a jury that your own health insurance or PIP already covered part of your bills, since those benefits came from a source unrelated to the at-fault driver. Several states, Florida among them, have modified that rule by statute so a court reduces a verdict by certain collateral payments after trial, unless the plaintiff's insurer holds its own right to reimbursement²³. Other states leave the common-law version largely intact. Which rule applies can change what a case looks like on paper versus what a plaintiff actually collects.

Paying for surgery while the case is open

Not everyone has health insurance or PIP left over to cover a major operation. Some providers will treat a patient on a letter of protection, agreeing to wait for payment until the claim resolves in exchange for a promise that they'll be paid out of the settlement first. That arrangement can get treatment started sooner, but it also puts a bill directly against a future recovery, so it's worth understanding the total exposure before the operation, not after.

Liens, thresholds, and filing deadlines vary enough from state to state, and enough money turns on getting the sequencing right, that most people going through a serious surgical recovery after a crash bring in an attorney to manage the claim alongside the medical care. You can find one through our legal directory.

This is general information, not legal advice.

Sources

1. NHTSA, "Overview of Motor Vehicle Traffic Crashes in 2024," https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/813791

2. CDC WISQARS, "About Nonfatal Injury Data," https://wisqars.cdc.gov/about/nonfatal-injury-data/

3. OrthoInfo (American Academy of Orthopaedic Surgeons), "Internal Fixation for Fractures," https://www.orthoinfo.org/treatment/internal-fixation-for-fractures/

4. OrthoInfo (American Academy of Orthopaedic Surgeons), "Spinal Fusion," https://orthoinfo.aaos.org/en/treatment/spinal-fusion/

5. Brain Trauma Foundation, "Guidelines for the Surgical Management of TBI," https://braintrauma.org/coma/guidelines/surgical

6. "Primary Decompressive Craniectomy After Traumatic Brain Injury: A Literature Review," PMC, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9631546/

7. "Trial of Decompressive Craniectomy for Traumatic Intracranial Hypertension," New England Journal of Medicine, https://www.nejm.org/doi/full/10.1056/NEJMoa1605215

8. "Splenic Trauma," StatPearls, NCBI Bookshelf, https://www.ncbi.nlm.nih.gov/books/NBK430920/

9. "Informed Consent: What Must a Physician Disclose to a Patient?" AMA Journal of Ethics, https://journalofethics.ama-assn.org/article/informed-consent-what-must-physician-disclose-patient/2012-07

10. NAIC, "What You Should Know About Auto Insurance Coverage," https://content.naic.org/article/what-you-should-know-about-auto-insurance-coverage

11. Florida Statutes § 627.736, The Florida Senate, https://www.flsenate.gov/laws/statutes/2024/627.736

12. Florida Statutes § 627.737, The Florida Senate, https://www.flsenate.gov/laws/statutes/2024/627.737

13. New York Insurance Law § 5102(d), New York State Senate, https://www.nysenate.gov/legislation/laws/ISC/5102

14. 42 U.S.C. § 1395y, Legal Information Institute, Cornell Law School, https://www.law.cornell.edu/uscode/text/42/1395y

15. CMS, "Conditional Payment Information," https://www.cms.gov/medicare/coordination-benefits-recovery/attorney-services/conditional-payment-information

16. Sereboff v. Mid Atlantic Medical Services, Inc., 547 U.S. 356 (2006), CourtListener, https://www.courtlistener.com/opinion/145657/sereboff-v-mid-atlantic-medical-services-inc/

17. Texas Property Code, Chapter 55, Texas Constitution and Statutes, https://statutes.capitol.texas.gov/Docs/PR/htm/PR.55.htm

18. American Medical Association, "AMA Guides to the Evaluation of Permanent Impairment," https://www.ama-assn.org/practice-management/ama-guides/ama-guides-evaluation-permanent-impairment-overview

19. "Eggshell Skull Rule," Wex, Legal Information Institute, Cornell Law School, https://www.law.cornell.edu/wex/eggshell_skull

20. Louisiana Civil Code art. 3493.1, Louisiana State Legislature, https://legis.la.gov/legis/Law.aspx?d=1386443

21. California Code of Civil Procedure § 335.1, California Legislative Information, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=335.1&lawCode=CCP

22. Maine Revised Statutes tit. 14, § 752, Maine Legislature, https://www.mainelegislature.org/legis/statutes/14/title14sec752.html

23. Florida Statutes § 768.76, The Florida Senate, https://www.flsenate.gov/laws/statutes/2024/768.76