To be eligible to open and contribute to an HSA, you must be covered by a qualified high-deductible health plan (HDHP) as defined by the IRS. In 2025, the minimum annual deductible for an HDHP is $1,500 for self-only coverage and $3,000 for family coverage. Additionally, you cannot be enrolled in Medicare or claimed as a dependent on someone else’s tax return. Eligibility is determined on a monthly basis, and contributions can be made until the tax filing deadline for that year. Refer to 26 U.S. Code § 223 for more details on HSA eligibility requirements.
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