Can I make post-tax contributions? And if so, will I get the tax benefit? Admin March 27, 2017 16:21 Updated Yes, and then it can be claimed as an above the line deduction on your annual tax return. Related articles If I enroll in the CDHP and enter an annual contribution for my HSA, is the full amount available to me upfront? I’m currently enrolled in Employee Only CDHP coverage and recently got married. Can I add my spouse November 1 and contribute the maximum amount for a family HSA account for this year? Can I contribute the maximum annual amount to my account no matter when I am hired? What happens to my HSA when I die? How do I contribute and is there an annual limit?