In fact, the medical practices are experiencing medical billing denials at rates that range from 5 to 10%, with an average of 4% for the better performers. Some medical organizations even experienced the first billing denial rate as high as 15-20%! For such organizations, one in every five medical claims submission must be appealed or reworked. However, each 0072ework costs around $25 per claim, and usually, the success rates vary between 55 to 98% depending on the expertise and the capabilities of the denial management team.