When we use a negative construction (with not) in the main clause, until means 'not before'. I won't (will not) start cooking until you come home. until three kilometres.
Medicare Part A is hospital insurance that covers inpatient hospital care and certain home care. Medicare Part A is usually free if you or your spouse paid Medicare taxes while working. If not, it can cost up to $413 each month in 2017. Hospital and skilled nursing facility stays come with deductibles and co-insurance.
Medicare Part A covers inpatient hospital stays. The deductible per benefit period is $1,216 as of 2014. A benefit period starts when someone is admitted to a hospital or skilled nursing facility and ends once 60 consecutive days elapse without receiving further hospital or skilled nursing care.