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.
Learn more about routing numbers, account numbers and check numbers below. The first set of numbers on the lower left corner of a check is the routing number. Keep in mind the routing numbers are 9-digit codes and the character symbol surrounding the numbers is not part of the routing number on a check. Routing numbers, sometimes called transit numbers, are public and may vary based on the region where you opened your account.