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HSA reimbursement for past expenses

Varies

Can You Write Off HSA Reimbursement for Past Expenses?

Short answer: Yes: you can reimburse yourself tax-free any time later for medical bills incurred after the HSA was opened.

Keep the receipts as proof.

Records to keep: Keep receipts, statements (1098, 1098-T, 1099, W-2G), and a note of what each cost was for. Compare itemizing to the 2026 standard deduction before you claim.