Work Comp: MMI

Posted on: January 20, 2009
In: Uncategorized

MMI is primarily a workers compensation term which stands for Maximum Medical Improvement.  This can be confusing for patients. They have not likely heard this term before being treated for a work related injury.

By definition, MMI is the date where no further significant recovery from or significant lasting improvment to a personal injury can be reasonably be anticipated, based upon reasonable medical probability, irrespective and regardless of subjective complaints.  In laymen’s terms this is the time period in which your physician usually releases you from regular routine follow up.  You are welcome to return if you need to, but it is highly unlikely.

The reason this MMI date is significant is due to the fact that serves as an ending date for the carrier.  Once MMI has been determined, notice is served to those parties involved.  Temporary total disability benefits are payable for only 90 days after this event.  MMI is also required for the final determination of permanent partial disability benefits.

For more information about workers compensation benefits in Arkanasas, you may contact the Legal Advisor office at no charge.

2 Responses to “Work Comp: MMI”

  1. timothy says:

    Why did my MMI date get set at December 13th 2010 when my designated doctor appointment was June 2 2011, and will the effect my Impairment Settlement?

    • Timothy,
      I am not sure of your case specifics, but one can certainly reach the point of MMI before all visits are exhausted. For example, if you had a knee replacement, your surgeon might want a yearly visit to check on the hardware in the knee. You could have an appointment every year, but you certainly had reached the point of Maximum Medical Improvement prior to the 3 or 4 or 5 year follow up appointment.

      As for impairment rating, the appointment has no affect on the impairment rating itself. The rating comes from the AMA Guidelines to Permanent Impairment. A group of charts and explanations provides the physician with the information needed to calculate your rating which can be based on things like the diagnosis or range of motion or a combination of factors.

      I hope this helps!

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