Deductions & credits

Is your daughter your dependent on your tax return?  Does she have "taxable income" listed on line 25 of her Form 1040?

 

If both are "yes", then I *THINK* you only enter her MAGI once.  If either (or both) of those questions are "no", you don't enter her income at all.

 

The last I checked, TurboTax automatically put the proper amount for the 1095-A on your Itemized Medical Expenses.  So you don't need to enter it again.