Supplemental health care service required as part of giving other care such as anesthesia, laboratory, pharmacy, and radiology; other than routine hospital services (room, board, medical and nursing services).
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Fees charged for additional services (other than room and board charges), such as x-rays, anesthesia, lab work, etc. The term may also be used to describe the charge made by a pharmacy for prescriptions which exceed the health insurance policy’s maximum allowable cost.