Maximum defined data set

Under HIPAA, necessary data elements for a particular standard based on a certain implementation specification. The sender who creates the transaction may include whatever data the receiver might require. The receiver of the data may ignore any part of the data that is not necessary to carry on its portion of the business transaction unless some unnecessary data are necessary for coordination of benefits with another insurance company.

maximum medical improvement (MMI)

In workers’ compensation, the point of greatest recovery after all treatment has been used within a reasonable time period to allow for optimal recovery and other physiological adjustments to occur. Also see permanent and stationary (P & S) .
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US: Maximum Medical Improvement (MMI) is a treatment plateau in each person’s healing process. It can mean that the patient has fully recovered from the injury or that the patient’s medical condition has stabilized to the point that no major medical or emotional change can be expected in the injured workers’ condition. This occurs despite continuing medical treatment or rehabilitative programs the injured worker partakes in.