CARC-F Sample -- The claims adjustement reason codes file Code Description Start Date Last Modified Date Stop Date 1 Deductible Amount 01/01/1995 2 Coinsurance Amount 01/01/1995 3 Co-payment Amount 01/01/1995 4 The procedure code is inconsistent with the modifier used or a required modifier is missing. 01/01/1995 5 The procedure code/bill type is inconsistent with the place of service. 01/01/1995 6 The procedure/revenue code is inconsistent with the patient's age. 01/01/1995 06/30/2002 7 The procedure/revenue code is inconsistent with the patient's gender. 01/01/1995 06/30/2002 8 The procedure code is inconsistent with the provider type/specialty (taxonomy). 01/01/1995 06/30/2002 9 The diagnosis is inconsistent with the patient's age. 01/01/1995 10 The diagnosis is inconsistent with the patient's gender. 01/01/1995 02/29/2000