3d279c4a_2014_Medicare_Supplement_Plans__Benefit
[What Plan L Covers] Plan L covers up to 75% of $148 per day for days 21-100. [Benefit] 
Skilled Nursing Coinsurance Medicare pays for the first 20 days of a skilled nursing facility. If you need to go to a Skilled Nursing Facility (SNF) after a hospital stay and stay in the SNF longer than 20 days, this benefit begins.
Blue Cross Blue Shield of Illinois - 2014 Medicare Supplement Plans
Benefit