Wiki 26123, 26125, 26125 modifiers?

[Mhoward1]

How do I know which digit is the primary procedure
when billing 26123, 26125, 26125?

LEFT-F4 SMALL FINGER, F2 MIDDLE FINGER AND FA THUMB

 

[mitchellde]

The non add on procedure is first listed the add on does not matter which one is before the other. As far as which finger you put where... I cannot see that it matters.