PROFESSIONAL COLLECTION REPORT Gross Charges - Total revenue billed in a given month Adjustments - Include insurance contractual allowances and other write-offs such as indigent and bad debt Payments - Include any cash received from insurance companies and patients Aging - A month-to-month snapshot of accounts receivable (outstanding charges) broken down by age AR Days - This is an indicator of how efficiently a facility is turning around claims (average number of payment days per claim). The basic formula for Revenue Days is three months' total revenue divided by the number of actual days in the three-month period. That number is divided into the latest total accounts receivable (AR) days.