A B C D E F G H I J L M N O P Q R S T U V W Y

Also known as the Hospital Insurance (HI) program, Part A of the Medicare program covers inpatient hospital care, skilled nursing care for up to 100 days after a hospitalization, home health and hospice care. It is funded by a portion of the payroll tax: 2.9 percent, with employers and employees each paying 1.45 percent.