1. Ask your employer's HR department.
2. Do you have a code "W" in box 12 on your W-2; if so, then your employer thinks you have an HSA.
3. Did you receive a form 1099-SA; if so, then you used your HSA to pay for medical expenses.
4. Did you receive a form 5498-SA; if so, this is a report from your HSA plan administrator on your HSA.
