They arise from confirmed duplicate claims, discrepancies between the electronic and paper claim formats, reinstatement of claims previously identified as duplicates and an error that occurred during the data entry of a currency code.
它们的产生，是由于经证实的重复索赔、电子索赔表与书面索赔表的差异、先前确定为重复的索赔的恢复以及货币编码输入时产生的一项错误。