Which Letter Code in Box 12 is HSA Contributions? - Your Comprehensive Guide to Understanding HSA Contributions

If you're wondering which letter code in box 12 represents Health Savings Account (HSA) contributions, you're in the right place. HSA contributions are an essential part of maximizing your health savings account benefits, and understanding how they are reported can help you make the most of this valuable healthcare tool.

When reviewing your W-2 form, look for the letter code 'W' in box 12. The 'W' code specifically denotes HSA contributions made through a cafeteria plan before taxes. This amount is subtracted from your taxable income, providing you with tax advantages and helping you save money for future medical expenses.


Are you scratching your head over which letter code in box 12 represents HSA contributions? Don’t worry; you’re not alone. Many people miss this crucial detail when it comes to managing their Health Savings Account (HSA). To maximize your benefits, remember to check for the letter code 'W' in box 12 of your W-2 form. This code signifies contributions made to your HSA through a cafeteria plan on a pre-tax basis, effectively lowering your taxable income while boosting your savings for medical expenses.

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