Charges are reviewed "In-House" by NAC to determine if they are in line with current National Fee Guidelines. (Usual and Customary variances are completed by inside personnel using CPT fee guidelines.) Bills and records are NOT reviewed for medical necessity or length of treatment. Each provider = $150; billing over $25,000 on any 1 provider may incur an additional fee. *COST AFFIDAVITS ARE NOT AVAILABLE WITH THIS SERVICE. A BILLING SPECIALIST OR RN MUST BE UTILIZED.