Florida  |  Insurance Law

i am trying to find out what kind of lawyer i need to speak with i have had knee surgery and my dr. order a special knee brace and i have blue cross and blue sheild insurance and they have denined my brace.i m supposed to be wearing it within a week after surgery and i had surgery over a month now. this brace is to prevent me haven another surgery and it is very important i have it.please tell me what or who i need to talk to.i have spoke with the dr. and the insurance company and the guy who order my brace.the insurance will give me a off the shelf brand and thats not what the dr. order me to have