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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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Taxable money you received as compensation from working, such as salary or self-employment profits.
Electrodes that are used in an electrocardiogram (ECG or EKG) to record the heart's electrical signal and look for various cardiac conditions.
An electronic record of a patient's medical history that the healthcare provider maintains over time. It may essential administrative and clinical data pertinent to that patient's treatment by that particular healthcare provider, such as demographics, progress notes, issues, medications, vital signs, previous illnesses, immunizations, laboratory results, and radiology reports.
A document outlining what health care professionals have billed Medicare for, the Medicare approved amount, how much Medicare has paid and what is left as a beneficiary financial responsibility.
When using electronic prescribing, also known as "e-Prescribing," health care professionals can enter prescription data into a computer device, such as a tablet, laptop, or desktop computer, and securely send the prescription to pharmacies by connecting to a transmission network and using specialized software.
A 24-month waiting period before people with disabilities are eligible to elect Medicare coverage.
Evaluation of a medical emergency, injury, or sudden illness that worsens quickly, commonly treated through a hospital emergency room or hospital inpatient admission.
Health coverage provided to current or former employees, as well as their families, by a company or employee group (such as a union).
Also known as kidney failure is a kidney condition that no longer functions to support your body needs and in end-stage may result in kidney transplantation or dialysis. Regardless of age, ESRD patients may be eligible for Medicare coverage.
Signing up for Original Medicare, a Medicare Advantage Plan, or a Part D plan by completing an application for insurance coverage.


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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