moderate complexity (MC)

Phrase used to describe a type of medical decision-making when a patient is seen for an E/M service. Medical documentation must consist of multiple diagnoses or management options, a moderate amount of data or complexity of data to be reviewed, and a moderate risk of complications and/or morbidity or mortality.

Modification

Under the Health Insurance Portability and Accountability Act (HIPAA), this is a change adopted by the Secretary, through regulation, to a standard or an implementation specification.

Modified average-cost method

Under this system of calculating summary measures, the actuarial balance is defined as the difference between the arithmetic means of the annual cost rates and the annual income rates, with an adjustment included to account for the offsets to cost that are due to (1) the starting trust fund balance and (2) interest earned on the trust fund.

Modified life

Ordinary life insurance that has premiums during the first few years (usually 5) that are slightly larger than the rate for term insurance. After that time period, the annual premium is higher.