108 Medicare Terms Defined

Medicare Glossary

Plain-English definitions for every Medicare term — from ABN to ZIP enrollment. No jargon, no confusion.

Terms starting with "E" — 5 terms

E

Employer Group Health Plan (EGHP)

Enrollment

Health coverage offered through an employer, either your own or a spouse's, that may let you delay Medicare enrollment without a late penalty if the coverage is creditable and the employer has 20 or more employees.

Also known as: EGHP, Group Health Plan

End-Stage Renal Disease (ESRD)

Medicare Basics

Permanent kidney failure requiring regular dialysis or a kidney transplant. People with ESRD qualify for Medicare regardless of age. Medicare covers dialysis and kidney transplants for people with ESRD.

Also known as: ESRD, Kidney failure

Evidence of Coverage (EOC)

Enrollment

A detailed description of what your Medicare Advantage or Part D plan covers, how much it costs, and how the plan works. Plans must send you an EOC each year by October 15.

Also known as: EOC

Explanation of Benefits (EOB)

Medicare Basics

A statement sent by Medicare or your insurance plan explaining what medical treatments or services were billed, what was covered, and what portion you owe. It is not a bill.

Also known as: EOB, Medicare Summary Notice

Extra Help

Costs & Coverage

A federal program that helps people with limited income and resources pay Part D prescription drug costs, including premiums, deductibles, and copays. Also called the Low Income Subsidy (LIS).

Also known as: Low Income Subsidy, LIS

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