How to Request an ISIS Category Code

Last Updated: August 19, 2025 12:04:23 PM PDT

Find out how to request a new category code in ISIS.

The Category Code is a unique 4-letter abbreviation that represents the department name. This category code is used when requesting new payment and charge detail code(s) that will post to a student account and is commonly used to group related detail codes.
The category code request form is sent directly to Student Financial Solutions (SFS) for entry into the student AR billing system.

1. Submit a request to Student Financial Solutions

Submit a case by completing the necessary form within the UC San Diego Services & Support Portal

2. Record and maintain the category code

Keep an internal log or database in your department files for future reference.

For other questions or problems, contact Student Financial Solutions through the UC San Diego Services & Support portal or call the Finance Help Line at (858) 246-4237.