Maximum Medical Improvement (MMI)

Maximum Medical Improvement (MMI)

Maximum medical improvement, or MMI, is the point at which your doctor concludes your condition has plateaued — continued treatment may maintain you, but it is not expected to make you meaningfully better. MMI does not mean you are healed. It means whatever pain, restrictions, or impairment remain are likely permanent, and that's exactly why the date matters so much in an injury claim.

Why MMI controls the timing of your case

Here is the scenario attorneys see constantly. Two months after a car accident, the insurance adjuster offers a settlement. The injured person's back still hurts, but the number sounds decent and the bills are piling up. They sign the release — which is final — and four months later an MRI reveals a disc injury that needs surgery. There is no reopening the claim. The settlement is done, and the surgery comes out of their own pocket.

This is the core problem MMI solves: until your condition stabilizes, nobody can honestly value your claim. Compensatory damages include future medical care, future lost earnings, and permanent impairment — and all of those are guesses until a physician can say what "permanent" looks like for you. That is why attorneys typically wait until MMI before sending a demand letter or recommending a settlement, even when the insurer is pushing for a quick resolution. The early offer is usually early for a reason.

MMI carries extra weight in workers' compensation cases. Reaching MMI often triggers an impairment rating — a percentage expressing your permanent loss of function — which in turn shifts benefits from temporary disability payments toward a permanent disability award. The rating, and the MMI date itself, frequently become the most contested numbers in the case.

Quick FAQ

Who decides when I've reached MMI?

Your treating physician, based on your response to treatment and clinical judgment. Insurers sometimes counter with an independent medical examination (IME) by a doctor of their choosing, who may declare MMI earlier to cut off treatment payments. When the opinions conflict, the dispute is resolved through negotiation, a neutral examiner, or a judge, depending on the forum.

Does reaching MMI mean my medical care stops?

No. You may still need maintenance care — pain management, medication, periodic therapy. The projected cost of that future care belongs in your damages calculation; reaching MMI is what finally makes it possible to project.

What if the statute of limitations runs out before I reach MMI?

Then your lawyer files suit before the deadline anyway. Filing preserves the claim; settlement can wait for MMI. The statute of limitations does not pause because you are still treating, and this trap catches unrepresented people every year.

Can I settle before MMI?

You can, and occasionally there are good reasons to. But you are settling on incomplete information, and the release you sign will cover injuries you do not know about yet. It is a decision to make with counsel, not under pressure from an adjuster.

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