There are limits as to how much money you can contribute to your health savings account each year.
If you have a spouse enrolled in an HDHP with an HSA, even with another employer, the total includes his or her contributions and their employer’s contribution as well. So, plan your deposits carefully.
If you are over 55, you can put in an additional $1,000 over the annual HSA limit. This is a total of your contribution and the city’s contribution.
By federal law, if you have an HSA, you cannot have a health care Flexible Spending Account (FSA) at the same time.
You cannot have secondary coverage with a High Deductible Health Plan (HDHP).
You cannot enroll in a Health Savings Account if you are enrolled in any government medical programs including: CHIPS, Medicare, Medicaid, or Tricare.
You cannot be claimed as a dependent on someone else’s tax return.