|Additional Catch-Up Contribution
(55 or older, Single and Family)
Open Deadline: April 15 of next year, no extension.
Fund Deadline: April 15 of next year, no extension.
HDHP must be in place at some point in the contribution year.
Medical expenses: Dec. 31 of current year.
You cannot use HSA funds to pay for expenses incurred prior to opening the account.