One way that many medical billing claims get rejected for the smallest of errors. In many cases it can be something as simple as an incorrectly used modifier causing your claim to be rejected by the carrier. There are two modifiers that get a lot of people in to trouble in the form of rejected claims as they can be confusing and those are modifier 25 and 57. Modifier 25 which reads , “Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure or other service” is kind of a catch all modifier for procedures that may not have an exact coding …