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HSA Contribution Limits

The federal government limits how much you can contribute to an HSA in one tax year, based on whether you have individual or family health insurance coverage. This page covers the current limits and exceptions.

HSA contribution limits 

The table below displays the current HSA contribution limits.  Current contribution information can be found on the U.S. Department of Treasury website at treas.gov.

Tax Year Individual Coverage Limits Family Coverage Limits
2017  $3,400  $6,750 
2018  $3,450  $6,900 

Once age 55, members can contribute an additional $1,000 towards their HSA (either individual and family coverage). 

Family HSA contribution limit

Two spouses with a family HDHP have a maximum annual HSA contribution of $6,750 in 2017. This contribution limit applies whether each spouse has their own HSA or if only one member of the family has an HSA.  

The amount each spouse can contribute is split equally by default, but the family can change how the contributions are split if they so choose.

A family cannot share a joint HSA.  Each spouse who wants to contribute to an HSA must open a separate HSA. Money cannot be transferred between the HSAs. A spouse may use withdrawals from his or her HSA for the eligible medical expenses of the other spouse, without penalty. However, money cannot be withdrawn from two HSAs to pay for the same expense.  

Spouses with individual HDHPs can contribute up to $3,400 in 2017.  If the individual is age 55 or older, an additional $1,000 catch-up contribution can also be contributed.  See Catch-up Contributions to learn more.

For other tax situations, consult your tax advisor.

Use the 13-month rule to make up for lost time

The annual HSA contribution limit for new HSAs is prorated for every month you weren't covered by an HDHP.  But under the 13-month rule, you can still contribute the full amount to your HSA, even if you didn't have an HSA-eligible HDHP for the entire year. 

You can contribute the full amount to your HSA if you meet the following conditions: 

  • Enroll in an HSA-eligible HDHP before December 1st of the given year.
  • Maintain that HDHP coverage through December 31st of the following year, for a total of 13 months.

Catch-up contributions

When you reach age 55 and are eligible to have an HSA, you can contribute an additional $1,000 each year through age 65 or until you enroll in Medicare.  This is  called a catch-up contribution.

You can make the full $1000 catch-up contribution the year you turn 55, regardless of where your 55th birthday falls, if you were covered by a HDHP for the entire year.

You can also make the $1000 contribution for your 55th year even if you didn't have an HSA-eligible HDHP for the full year by following the 13-month rule.

Going over the limit

Any contributions over the IRS’s limit for the year are excess contributions. A six percent excise tax is imposed on the account holder for excess individual or employer contributions for each tax year. 

Excess contributions can't be counted as tax deductions and should be added back to your gross income.  Any income you earn from excess contributions counts as taxable income.

If an upcoming employer contribution will go over the limit, you must make every reasonable effort to notify your employer before the contribution is made. 

If you did contribute too much to your HSA, you can avoid the excise tax by withdrawing the extra contributions and any income earned from them before the tax return deadline.   Any extra earnings should be entered as “other income” on your tax return for the year.

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