Definitions for "Catastrophic Illness"
A serious and costly illness or injury that can be life-threatening or cause permanent disability. The cost of coverage for a catastrophic illness can cause serious financial hardship.
severe illness requiring prolonged hospitalization or recovery; usually involves high costs for hospitals and doctors and medicines
a life-threatening illness or disease, such as a serious case of cancer, stroke or a serious heart condition, but does not include such things as back pain or injury, a broken limb or the flu