HSA contributions are on your W-2, box 12 code W. Distributions are reported to you on 1099-SA.
- The UPPER-CASE (capital) letters in box 12 stand for different things and are listed in the link below. These are the letter codes you'll need to enter into TurboTax
- The lines labeled 12a, 12b, 12c, and 12d (sometimes listed as 12a-d) on your W-2 are just line labels, not codes. Don't enter these line labels. For example, if you see "D" on line 12a, enter "D" in TurboTax, not "a". And if line 12a is blank, don't enter anything
Box 12 codes
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