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.
Generally speaking, there are three sets of numbers listed on the bottom of your check. The first set of numbers is usually your bank routing number; this number is used to differentiate between different banks and is not your account number. The routing number is always nine digits. The second set of numbers is usually your account number. Count the number of digits of the number to be sure.