An assistance program through which the federal government and the individual states share in payment for the medical care of certain categories of needy and low-income people.

A federal health insurance program for people 65 and over and some under 65 who are disabled. Medicare has two parts. Part A is also called Hospital Insurance, and Part B is called Medical Insurance.

A Medicare federal health insurance option that provides all the coverage offered through the Medicare program, but through a HMO or managed care organization.

Sold by private insurance companies and Blue Cross Blue Shield of Michigan, this type of insurance is specifically designed to help pay health care expenses either not covered or not fully covered by Medicare.