Catastrophic illness

A catastrophic illness is a severe illness requiring prolonged hospitalization or recovery. Examples would include coma,cancer, leukemia, heart attack or stroke. These illnesses usually involve high costs for hospitals, doctors and medicines and may incapacitate the person from working, creating a financial hardship. They are the type intended to be covered by high-deductible health plans. Research indicates that the unusual economic environment of the delivery of catastrophic illness care encourages the use of innovative therapies.Medicare contains a benefit for catastrophic illness.

...
Wikipedia