Document that the patient receives after the physician files an insurance claim for Part A services in the Original Medicare Plan. It lists the services the provider billed, the Medicare-approved amount, the Medicare payment, and the amount the patient must pay. The patient may also receive a Medicare Summary Notice (MSN) (formerly known as an Explanation of Medicare Benefits [EOMB] ). See also Medicare Summary Notice (MSN), remittance advice (RA) , and Explanation of Medicare Benefits (EOMB) .

Medical benefits offered by employers to retired employees that lowers medical expense benefits so that those benefits are provided by the Medicare program.

Enacted July 1, 1988, this law provided the most significant expansion of the Medicare program since its inception. It also contained numerous technical amendments to the Medicare and Medicaid programs, as well as three new Medicaid provisions. However, in December 1989, the President signed into law Public Law 101-234, which repealed the major expansions of the Medicare program enacted the previous year.

Computer software program used by Medicare fiscal intermediaries that identifies code inconsistencies in data on inpatient insurance claims. The MCE evaluates the coverage, codes, and clinical information and screens for accuracy and consistency such as the patient’s age, sex, discharge status, DRG payment, principal and secondary diagnoses, and procedures.

Medicare Prescription Drug Improvement and Modernization Act (MMA) of 2003 was passed by Congress in which Section 911 required the Centers for Medicare and Medicaid Services (CMS) to replace the fiscal intermediary and carrier contracts for the administration of Medicare benefits with Medicare administrative contractors (MACs). Its intention is to improve Medicare’s administrative services to beneficiaries and health care providers and to bring standard contracting principles to Medicare (i.e., competition and performance incentives). In this reform, the United States will be divided into 15 A/B jurisdictions and each A/B jurisdiction will be assigned to one MAC who administers both Part A and Part B claims. Also see Medicare administrative contractor (MAC) and A/B jurisdictions .

Medicare contractor who collects and manages information on other types of insurance or coverage that pay before Medicare. Some examples of other types of insurance or coverage are group health coverage, retiree coverage, workers’ compensation, no-fault or liability insurance, veterans’ benefits, TRICARE, Federal Black Lung Program, and COBRA. Also see coordination of benefits (COB) .