Additional Contribution Amount If, at the end of 2021, you were age 55 or older and married, use the AdditionalContribution Amount Worksheet if both of the following apply. You or your spouse had family coverage under an HDHP and were, or were considered to be, an eligible individual on the first day of the month. You were not enrolled in Medicare for the month. Start for $0 today Get your maximum refund with all the deductions and credits you deserve Get Started Login Related articles Spouses with separate HSA accounts and family coverage HSA Limitation Adjustment HSA Adjustments How do I report my Health Savings Account (HSA) Form 8889? Do I need to adjust the Employer Contributions on my HSA?