Insurance, Medigap

**Definition:** A supplemental health insurance policy sold by private insurance companies and designed to pay for health care costs and services that are not paid for either by Medicare alone or by a combination of Medicare and existing private health insurance benefits. (From Facts on File Dictionary of Health Care Management, 1988)

**Tree numbers:** - N03.219.521.576.343.539

**Synonyms:** - Medigap Policy - Medicare Supplement Insurance - Medicare Supplemental Insurance - Medigap Insurance