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What Is the Statute of Limitations for Medical Malpractice in Michigan?

March 22, 2026

What Is the Statute of Limitations for Medical Malpractice in Michigan?

You've discovered that your doctor made a serious mistake in your treatment. How long do you have to file a lawsuit? In Michigan, time is absolutely critical. Missing the statute of limitations deadline could bar your claim forever, regardless of its merit.

Understanding Michigan's medical malpractice statute of limitations is essential if you believe you've been harmed by a healthcare provider. At Koussan Law, we've helped countless patients pursue justice for medical negligence. Let's break down these crucial timelines.

The Primary Statute of Limitations: Two Years

Under MCL 600.5805, the primary statute of limitations for medical malpractice claims in Michigan is two years from the date of injury. This means you generally have 24 months from the date the medical negligence occurred to file a lawsuit.

"Date of injury" is typically when the negligent act occurred, not when you discovered it. This distinction is crucial and often creates hardship for patients.

The "Discovery Rule" Exception

However, Michigan recognizes a critical exception called the "discovery rule." If you did not know and could not reasonably have known that you were injured by medical negligence, the statute of limitations may not begin until you discovered (or reasonably should have discovered) the injury.

This exception is codified in Michigan case law and applies when:

  • The negligence was hidden or concealed
  • The injury was latent (not immediately apparent)
  • A reasonable person wouldn't have discovered the injury through ordinary diligence

Example: A surgeon leaves a surgical sponge inside your abdomen. You don't experience symptoms until two years later when the sponge becomes infected. Under the discovery rule, your two-year clock may start when you discovered the sponge, not when the surgery occurred.

The Absolute Deadline: Six Years

Michigan's medical malpractice statute includes an important absolute deadline. Even if you can invoke the discovery rule, you cannot file a lawsuit more than six years after the medical negligence occurred, with limited exceptions.

This "long-stop" provision means:

  • If negligence occurred on January 1, 2020, you must file by January 1, 2026 (six years later)
  • Even if you discover the injury on January 2, 2026, you're barred from suing
  • This applies regardless of when symptoms became apparent

The six-year absolute deadline has limited exceptions, including:

  • Cases involving foreign objects left inside the body
  • Cases involving fraudulent concealment by the healthcare provider
  • Claims involving minors (the deadline may be extended)

Minors: A Different Timeline

If you're a minor and harmed by medical malpractice, the statute of limitations timeline is different. Generally:

  • The two-year deadline doesn't start until you reach age 18
  • However, the six-year absolute deadline still applies from the date of negligence
  • For minors injured before age 12, you have more flexibility

If a child is injured at age 10, the deadline is the later of: (1) two years from age 18, or (2) six years from the date of negligence. This typically gives minors until age 20 to file suit.

Affidavit of Competency Requirement

Michigan has an additional requirement that makes medical malpractice cases more complex. Under MCL 600.2912d, you must file an "affidavit of competency" signed by a qualified medical expert affirming that your claim has merit.

This affidavit must:

  • Be from a healthcare provider with relevant expertise
  • Support your claim of medical negligence
  • Accompany your initial complaint
  • Be filed within the statute of limitations

This requirement makes it essential to contact an attorney early. We work with qualified medical experts to develop and support your claim.

Notice of Intent Requirements

Before filing a medical malpractice lawsuit, Michigan typically requires you to provide written notice to the healthcare provider. This notice, governed by MCL 600.5825 et seq., must include:

  • Identification of the healthcare provider
  • Nature of the claim
  • Injuries and damages
  • Legal basis for the claim

This notice serves several purposes, including opening settlement discussions before formal litigation.

Common Medical Malpractice Scenarios

Misdiagnosis

Your doctor fails to diagnose cancer, and you discover it two years later. The two-year clock may start from discovery, but you must file within six years of the misdiagnosis date.

Surgical Error

A surgeon nicks your ureter during hysterectomy, causing infection. You discover the injury immediately—the two-year clock starts now.

Medication Error

You're prescribed the wrong dosage, causing organ damage that develops gradually. The discovery rule may apply if the connection wasn't obvious.

Acting Quickly: Why You Shouldn't Wait

Even though you may have up to two years (or longer under the discovery rule), we strongly recommend contacting an attorney immediately if you believe you've been harmed by medical malpractice. Here's why:

  • Evidence degrades over time
  • Witness memories fade
  • Medical records may be lost or destroyed
  • Expert witnesses must be retained early
  • Settlement negotiations take time
  • Court schedules fill up

Protect Your Rights with Koussan Law

Medical malpractice claims are time-sensitive and legally complex. We understand Michigan's statute of limitations and the procedural requirements for these cases. Contact Koussan Law immediately if you believe you've been harmed by medical negligence. We offer free consultations and will work with medical experts to evaluate your claim.

Don't let the statute of limitations expire. Call (313) 800-0000 today to speak with an experienced Michigan medical malpractice attorney. Use our case calculator to estimate your potential recovery.

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