The following table lists which integers are mapped to the built-in categories that can be used in the Category parameter.

Integer–Category

1 Financial
2 Date & Time
3 Math & Trig
4 Statistical
5 Lookup & Reference
6 Database
7 Text
8 Logical
9 Information
10 Commands
11 Customizing
12 Macro Control
13 DDE/External
14 User Defined
15 First custom category
16 to 32 Other custom categories

This list is from the VBA help function for the MacroOptions Method command