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Do You Have to Be in a High Deductible Health Plan for a Full 12 Months for an HSA?

Published April 16, 2023

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Short answer: You don’t have to be in an HDHP for a full 12 months to open or contribute to an HSA; you need HDHP enrollment on the first day of the month.

No 12-month HDHP requirement

When it comes to Health Savings Accounts (HSAs), one common question that arises is whether you have to be in a high deductible health plan for a full 12 months to be eligible for an HSA. The answer to this question is no, you do not have to be in a high deductible health plan for a full 12 months to open or contribute to an HSA.

Here are some key points to keep in mind:

Monthly HDHP rule and midyear switches

  • You only need to be enrolled in a high deductible health plan (HDHP) on the first day of the month to be eligible to make contributions to an HSA for that month.
  • If you switch from a non-HDHP to an HDHP mid-year, you can start contributing to an HSA as soon as you are enrolled in the HDHP.
  • Conversely, if you switch from an HDHP to a non-HDHP mid-year, you can no longer contribute to the HSA, but you can still use the funds already in the account for qualified medical expenses.

In summary, while being in an HDHP is a requirement for having an HSA, you do not need to be in the high deductible health plan for a full 12 months to be eligible to open or contribute to an HSA.

Reminder: first-of-month HDHP enrollment

Did you know that you don't need to be enrolled in a high deductible health plan for a full 12 months to open or contribute to a Health Savings Account (HSA)? You do, however, need to be enrolled in an HDHP on the first day of the month to make contributions for that month.

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