Maximum Medical Improvement (MMI)

Definition - What does Maximum Medical Improvement (MMI) mean?

Maximum medical improvement (MMI) is a term specifically used in the context of workers compensation cases. MMI occurs when the injured employee reaches a state where his or her medical condition can no longer be improved any further or when a treatment plateau in a person's healing process is reached. At the point MMI has been reached, no further healing or improvement is deemed possible.

Justipedia explains Maximum Medical Improvement (MMI)

Only a licensed physician may determine the date on which MMI has ensued. However, a worker's compensation carrier may request an independent medical examination by a qualified physician in order to determine if MMI has ensued, and, if so, on what date. A copy of the independent medical examination is then forwarded to the treating physician, the patient, the employer, and the worker's compensation carrier. If MMI is established, then the employee is no longer able to receive workers compensation. However, at the time MMI is established, there will be an impairment rating issued, which will determine if the employee's harm has resulted in permanent damage. If the employee's harm has resulted in permanent damage, then compensation will also be provided for this impairment.

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