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 "R" — 2 terms

R

Referral

Providers & Plans

A written order from your primary care provider authorizing you to see a specialist or get certain health care services. HMO-type Medicare Advantage plans typically require referrals; PPOs and Original Medicare do not.

Rollover

Enrollment

The ability to carry unused Health Savings Account (HSA) or Health Reimbursement Account (HRA) funds from one year to the next. Note: Once you enroll in any part of Medicare, you can no longer contribute to an HSA.

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