Surgical Errors in Minnesota: Understanding Medical Malpractice Claims
If you suffered harm from a surgical error in Minnesota, you may have a medical malpractice claim. This guide explains common types of surgical errors, what you must prove, how expert affidavits work, potential damages, and practical steps to protect your rights under Minnesota law.
What Counts as a Surgical Error?
A surgical error is an avoidable mistake that falls below the accepted standard of care and causes patient harm. Examples include wrong-site, wrong-procedure, or wrong-patient surgery; foreign objects left in the body; nerve or organ injury due to negligent technique; anesthesia errors; failures in preoperative planning or informed consent; inadequate sterilization leading to preventable infection; and poor postoperative monitoring. Not every bad outcome is malpractice—there must be a deviation from the standard of care that causes injury.
Key Elements of a Minnesota Malpractice Claim
To pursue a surgical error claim in Minnesota, an injured patient generally must establish: (1) a provider–patient relationship and the applicable standard of care; (2) a breach of that standard; (3) causation linking the breach to the injury; and (4) damages. Minnesota law typically requires expert medical testimony to establish the standard of care and causation in surgical cases, with narrow exceptions where negligence would be obvious to a layperson.
Minnesota’s Expert Affidavit Requirements
Minnesota imposes specific expert-affidavit requirements in professional malpractice cases. Early in the case, the plaintiff must serve an affidavit stating that counsel has reviewed the facts with a qualified expert who believes the claim has merit, and later provide a more detailed expert disclosure identifying the expert, the applicable standard of care, alleged departures, and the substance of opinions. Failure to comply can lead to dismissal. See Minn. Stat. § 145.682.
Potential Compensation
Recoverable damages in surgical error cases can include medical expenses (past and future), lost income and diminished earning capacity, rehabilitation and in-home care, and non-economic losses such as pain, suffering, disability, disfigurement, and loss of enjoyment of life. In rare cases, punitive damages may be available, but Minnesota sets a high bar and generally requires court permission to add a punitive claim and a heightened evidentiary showing. See Minn. Stat. § 549.191 and Minn. Stat. § 549.20.
Comparative Fault in Minnesota
Minnesota follows a modified comparative fault system. If a patient is found partially at fault—for example, by not following clear postoperative instructions—their compensation can be reduced proportionally. If the patient’s share of fault is greater than that of the party or parties from whom recovery is sought, recovery may be barred. See Minn. Stat. § 604.01.
Deadlines and Timing
Medical malpractice claims are subject to strict filing deadlines. Minnesota generally applies a four-year limitations period to actions against health care providers, subject to important exceptions and tolling rules. Different timelines may apply to wrongful-death claims or claims involving minors or legally incapacitated persons. Act promptly to preserve your rights. See Minn. Stat. § 541.076 (limitations for actions against health care providers), Minn. Stat. § 573.02 (wrongful death), and Minn. Stat. § 541.15 (tolling for minors and certain disabilities).
Practical Tips for Minnesota Patients
- Seek prompt follow-up care and second opinions when outcomes are unexpected.
- Request copies of imaging, operative notes, and anesthesia records early.
- Avoid posting details about your care on social media.
- Track all symptoms, missed work, and out-of-pocket costs.
- Consult counsel before speaking with insurers or risk managers.
Evidence to Preserve After a Surgical Error
- Request complete medical records, including operative and anesthesia reports.
- Keep discharge instructions, consent forms, and any written communications from providers.
- Photograph visible injuries, incisions, or devices as they appear over time.
- Maintain a symptom and pain diary.
- Preserve bills, receipts, and employment records reflecting lost time or accommodations.
- Do not alter or discard medical devices, implants, or hardware removed after surgery.
- Avoid discussing fault with insurers before consulting counsel.
How an Attorney Can Help
Experienced counsel can identify all responsible parties (e.g., surgeons, hospitals, anesthesia groups), retain qualified medical experts, meet Minnesota’s affidavit and disclosure requirements, calculate damages, negotiate with insurers, and try your case if needed. Early legal guidance helps protect your claim and comply with procedural rules such as Minn. Stat. § 145.682.
FAQ
Do I need an expert to bring a surgical error claim in Minnesota?
Almost always yes. Minnesota generally requires expert support and timely affidavits establishing the standard of care, the breach, and causation.
How long do I have to file?
Many claims must be filed within four years, but exceptions and tolling can apply. Get case-specific advice promptly to avoid missing deadlines.
What if I signed a consent form?
Informed consent does not excuse negligent care. Consent addresses known risks; malpractice concerns deviations from the standard of care.
Can I still recover if I am partly at fault?
Possibly. Your recovery may be reduced by your share of fault, and it is barred only if your fault exceeds that of the parties you sue.
Next Steps
If you suspect a surgical error, prioritize your medical care, document your condition, and consult a Minnesota medical malpractice attorney as soon as possible. An initial case assessment can clarify whether expert review supports a claim and what steps to take to preserve your rights.
Ready to talk? Contact our Minnesota medical malpractice team for a confidential consultation.



