Eligibility for a health savings account (HSA) is determined for each individual. If you qualify, you can set up an account for yourself even though your spouse is ineligible for one because of being on Medicare. Thus, if you are too young for Medicare and have a high-deductible health plan (either a self-only plan or a family plan covering you and a dependent), you can contribute to the account. Usually, the bronze plan from a government Marketplace meets the definition of a high-deductible health plan. Remember that if you are at least 55 years old, you can add up to $1,000 to the basic contribution limit.
A 12-month period ending on the last day of any month other than December. Partnerships, S corporations, and personal service corporations are limited in their choice of fiscal years and face special restrictions.