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Glossary

Please note that the definitions included in this Glossary reflect the manner in which these terms are used on Medicare in general.

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The amount of money that must be paid before your Original Medicare, prescription drug plan or other insurance starts paying for healthcare expenses. Every year, deductible amounts are subject to change.
Devices that provide a shock or pulse of electricity to the heart to get it to a normal rhythm. They are used to prevent or treat an irregular heartbeat that beats too slowly or too quickly, called arrhythmia.
A request from you or your doctor to request Medicare payment even though the services are not covered or deemed not medically necessary.
The loss or decline of thinking skills, memory impairment, and reasoning abilities to the point where it interferes with a person's daily life and activities.
A refusal by Original Medicare, a Medicare Advantage Plan, or a Part D plan to pay for medical services, prescription medications, or durable medical equipment.
Medical care and hygiene relating to your oral health.
One or more prosthetic teeth and gums that are held in place by a detachable plate or frame.
A federal government agency that regulates Center for Medicare and Medicaid Services (CMS), which is responsible for managing several health protection initiatives for all Americans, including Medicare, Medicaid, the Marketplace, and the Children's Health Insurance Program (CHIP).

Disclaimer

This glossary explains terms in the Medicare program, but it isn't a legal document. The official Medicare program provisions are found in the relevant laws, regulations, and rulings.

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