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General information only — not legal advice. Published by Edward & Amaury Solicitors, solicitors regulated by the SRA (no. 800525). How that affects what you read.

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Surgical Error Claims

United States (federal and general)Last reviewed 18 September 2026

A surgical error is malpractice if the surgeon or team fell below the accepted standard of care and that caused your injury. Wrong-site surgery and retained instruments are rarely defensible, but a known complication of properly performed surgery is not malpractice, and lack of informed consent can be a separate claim.

Error, Complication or Consent Problem?

Direct Answer: Surgical claims usually allege a technical error, a failure in pre- or post-operative care, or a lack of informed consent, and each is judged differently.

Every operation carries risks that can occur even with careful surgery, so the existence of a complication does not prove negligence. A claim needs evidence that a reasonably competent surgeon would not have acted as this one did, for example by damaging a nearby structure through poor technique, missing an intraoperative problem, or discharging you before a complication was recognised.

Informed consent is a separate doctrine: a provider must disclose the material risks of a procedure and the reasonable alternatives so you can decide. If a risk that materialised was not disclosed and you would have declined, you may have a claim even where the surgery itself was competent. The standard for what must be disclosed varies by state.

Preventable Errors

Some errors are considered preventable through basic safety protocols:

  • Operating on the wrong body part, side or patient
  • Leaving a surgical sponge, instrument or other object inside the body
  • Anesthesia errors and failure to monitor during surgery
  • Failing to respond to post-operative bleeding, infection or other complications

Costs and Compensation

Compensation can include the cost of corrective surgery, ongoing care, lost income and pain and suffering. Some states cap non-economic damages in malpractice cases, and some limit the contingency fee attorneys may charge, so state law affects both the size of the recovery and what you keep.

Frequently Asked Questions

What counts as a surgical error?

Mistakes such as operating on the wrong site or patient, leaving an object inside the body, damaging a structure through poor technique or failing to manage complications, where the care fell below the accepted standard.

Is a complication the same as malpractice?

No. Recognised risks can occur even with excellent surgery. Malpractice requires a departure from the standard of care that caused the harm, supported by expert testimony.

What is informed consent?

A provider's duty to explain the material risks, benefits and alternatives of a procedure so you can make a decision. A failure to disclose a material risk that then materialised can support a claim.

What if I signed a consent form?

A signed form is evidence that risks were discussed, but it does not defeat a claim where the surgeon was negligent or did not actually disclose the relevant risk.

What do I have to prove in a medical malpractice case?

That the provider owed you a duty, that their care fell below the accepted standard of care, and that this breach caused your injury. Most states require a qualified medical expert to say so, and a bad outcome alone is not malpractice.

How long do I have to file a medical malpractice claim?

It depends on the state, and is often two to three years from the injury or from when you discovered or should have discovered it, with an outer statute of repose in many states. Claims against government hospitals and federal facilities such as VA centers have separate, shorter notice requirements, so contact an attorney as soon as you suspect malpractice.

Can I hire a medical malpractice lawyer without paying upfront?

Usually, yes. Malpractice attorneys almost always work on contingency, being paid a percentage of the recovery only if the case succeeds. Because these cases require expensive expert witnesses that the attorney typically advances, many firms accept only cases with a strong prospect of a substantial recovery. Some states limit malpractice fees by statute or sliding scale, so ask how your state's rules apply.

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Where this applies: Contingency fee rules are set state by state. Check your own state's rules before acting.

Sources for this page

Every rule stated above is based on the primary sources below. Each link goes to the legislation, court rule or regulator itself so you can check it. Last verified 18 September 2026.

  1. ABA Model Rule 1.5 (Fees)

    Model, not law. Each state adopts its own version. Rule 1.5(d) bars contingency fees in most domestic relations matters and in criminal defence.

  2. Cornell LII — contingency fee
  3. Cornell LII Wex — Informed consent

    A provider must disclose the material risks and reasonable alternatives of a proposed treatment. The disclosure standard varies by state (physician-based or patient-based).

  4. Cornell LII Wex — Statute of repose

    An outer time limit that bars a claim after a fixed period from a defined event, regardless of whether the injury has yet been discovered. Many states use them for medical malpractice.

  5. Tex. Civ. Prac. & Rem. Code Ch. 74 (Medical Liability), §§ 74.301, 74.303

    § 74.301 caps general medical-malpractice non-economic damages at $250,000 per provider / $500,000 aggregate institutional liability. § 74.303 is a SEPARATE cap for wrongful death and survival claims, indexed to inflation from a 1977 base and materially higher than § 74.301's figures — do not apply the general cap to a wrongful death claim.

Who wrote and checked this page

Written and published by
Edward & Amaury Solicitors (Edward & Amaury Ltd, company no. 12195443), regulated by the Solicitors Regulation Authority under no. 800525.
Legal review
This page has not yet been through independent legal review. It is written from the primary sources listed below, which you can check directly.
Review dates
Last reviewed 18 September 2026. Next review due 18 March 2027.

Fee rules change. California’s medical malpractice fee limits changed on 1 January 2023, and the QOCS rules in England and Wales changed on 6 April 2023. If you spot something out of date, tell us — we publish corrections.

Think you have a claim? Find out for free.

Reading the rules is the first step. Most claims have strict deadlines, and evidence is easier to gather the sooner you act. Tell Cross & York what happened and get a free, no-obligation review of your situation.

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Where this applies: Contingency fee rules are set state by state. Check your own state's rules before acting.

Sources for this page

Every rule stated above is based on the primary sources below. Each link goes to the legislation, court rule or regulator itself so you can check it. Last verified 2 August 2026.

  1. ABA Model Rule 1.5 (Fees)

    Model, not law. Each state adopts its own version. Rule 1.5(d) bars contingency fees in most domestic relations matters and in criminal defence.

  2. Cornell LII — contingency fee
  3. Federal Rule of Civil Procedure 54(d) (costs to the prevailing party)

    A losing plaintiff may be ordered to pay the defendant's taxable costs. There is no US equivalent of QOCS.

Who wrote and checked this page

Written and published by
Edward & Amaury Solicitors (Edward & Amaury Ltd, company no. 12195443), regulated by the Solicitors Regulation Authority under no. 800525.
Legal review
This page has not yet been through independent legal review. It is written from the primary sources listed below, which you can check directly.
Review dates
Last reviewed 2 August 2026. Next review due 2 February 2027.

Fee rules change. California’s medical malpractice fee limits changed on 1 January 2023, and the QOCS rules in England and Wales changed on 6 April 2023. If you spot something out of date, tell us — we publish corrections.