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Medicare Basics for Caregivers

Prescription Drug Coverage - Terms to Know

Co-insurance

This is an amount a person may be required to pay for services after paying any plan deductibles. In Original Medicare, this is a percentage (about 20%) of the Medicare-approved amount. A person has to pay this amount after paying the Part A and/or Part B deductible. In a Medicare Prescription Drug Plan, the co-insurance will vary depending on how much the person has spent.