A benefit period is a defined period of time in which the services a Medicare beneficiary uses are measured. It is also called a “spell of illness”. A benefit period:
- starts the day a beneficiary goes into a hospital or skilled nursing facility (SNF)
 - ends when the beneficiary has not received any hospital or SNF care (skilled or unskilled) for 60 days in a row
 - After a benefit period ends, another benefit period begins again when a beneficiary goes into a hospital or SNF.
 - There is no cap on the number of benefit periods for a beneficiary.
 

