Reasonable/usual and customary charges - The commonly charged or prevailing fees for health services within a geographic area. A fee is generally considered to be reasonable if it falls within the parameters of the average or commonly charged fee for the particular service within that specific community. This term can also be referred to as "Prevailing Rate", "Covered Charge", "Allowable Charge" and/or "Usual" "Reasonable" and "Customary" amount.