PaulaM
Employee Tax Expert
Intuit Approved! This answer has been verified for accuracy by an Intuit expert employee

Deductions & credits

HSA contributions on a W-2 will be listed in Box 12 as code W. If you only contributed to your HSA via payroll deductions, then entry of the W-2 form is all you need to enter. Do not enter the contribution anywhere else if this is your case.

What do the letter codes in box 12 of my W-2 mean? 

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