I can't figure out how to use code for two separate macros

[ChrisXcel]

I have a fairly extensive VBA code (75+ lines) that I would like to use in two different situations.

The code for the second situation would be the same as the first except for a few additional lines of code.

The first code uses a macro key combination (Ctrl-Shft-s) to call it.
I would like to call the second code with its own macro key combination ((Ctrl-Shft-u).

Ideally I would like to use the first macro's code and then jump to a second section to deal with the second situation.

So here's the problem.
How can I use the Ctrl-Shft-u to run the second macro, when I want to run the first code and then jump?

Of course I know I can just copy all of the first code into the second macro, but I'm looking for a more efficient way to do this.

TIA

[FDibbins]

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[TMS]

Sort out your thread title and then we can help you