Which Box 12 Do I Use for HSA?

When it comes to HSA (Health Savings Account), figuring out which Box 12 to use can be confusing. Box 12 on your W-2 form contains codes that detail various types of compensation and benefits provided by your employer. For HSA contributions, you should use Box 12 with the code 'W'.

Box 12 with code 'W' indicates the amount of HSA contributions made through a payroll deduction by you and/or your employer. This information is crucial for tax purposes as it helps determine your eligibility for tax deductions related to your HSA contributions.


When it comes to understanding HSA (Health Savings Account), determining which Box 12 to use can often leave you scratching your head. Box 12 on your W-2 form features various codes that represent types of compensation and benefits you've received from your employer, but for HSA contributions specifically, you want to look for Box 12 with the code 'W'. This is crucial for ensuring that your health savings are tracked properly.

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