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Medicare Coinsurance Days

Medical billing & coding glossary · all terms

Definition. Inpatient hospital coverage from day 61 to day 90 of a continuous hospitalization. The patient is responsible for paying for part of the costs during those days. After the 90th day, the patient enters "Lifetime Reserve Days.."

You'll come across Medicare Coinsurance Days while working the revenue cycle — from eligibility and claim submission to payment posting and denials. See the related terms below, or browse the full glossary and the Knowledge Hub.

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