XE, XS, XP and XU, distinct service modifiers. Effective Jan. 1, 2015, four new modifiers more effectively identify distinct services that are typically considered inclusive to another service. Utilizing these modifiers will help with more accurate coding that better describes the procedural encounter.
The first nine numbers in the lower, left-hand part of your check after the MICR character is your routing number. 1  Be sure to exclude any preceding MICR characters when determining your routing number. 2  Following your routing number, the next set of numbers, up until the next MICR character, is your account number.
The account number is located on the bottom of your check. There should be three sets of numbers in a special computer-readable font at the bottom: The first number on the left is your bank routing number. The second (middle) number is your account number. The third number is your check number.