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.
Do not mistake the routing number for the checking account number. The checking account number is printed to the right of the routing number on the lower-middle edge of the check. The checking account number does not include the special three-dot symbol. Chase Bank has 25 different routing numbers, each of which is assigned to a specific region of the country. If there isn't a blank check on hand, look up routing numbers by region at chase.com.