Medicare is the federal health insurance program for people 65 years of age or older, certain younger people with disabilities, and people with End-Stage Renal Disease. This glossary explains terms in the Medicare program, but it is not a legal document. The official Medicare program provisions are found in the relevant laws, regulations, and rulings.
HEALTH EMPLOYER DATA AND INFORMATION SET
HEALTH INSURANCE PORTABILITY AND ACCOUNTABILITY ACT
HEALTH MAINTENANCE ORGANIZATIONS