From main menu, goto "View", "Administrator Options".
Enter admin password being sure Administrative / Program Options is selected. It is the default so you shouldn't have to do anything.
On the administrative options dialog, look near bottom right for a icon that says "Define Quick Codes for Billing".
If you wanted to change other CPT does, you stay on same Administrative Options screen. From menu at top, select "Tools" and at bottom select "CPT database: Modify Available Codes".
