Are HSA Contributions Subject to Medicare Taxes?

Health Savings Accounts (HSAs) are a valuable tool for individuals to save money for medical expenses while enjoying tax benefits. One common question that arises is whether HSA contributions are subject to Medicare taxes.

Medicare taxes are payroll taxes that fund the Medicare program, which provides health insurance for individuals aged 65 and older, as well as certain younger people with disabilities. When it comes to HSA contributions, here's what you need to know:

  • HSAs are funded with pre-tax dollars, meaning contributions are not subject to income tax at the time of deposit.
  • Contributions made by an employer to an employee's HSA are not considered wages and are therefore not subject to FICA taxes, which include Medicare taxes.
  • Employee contributions to an HSA through payroll deductions are also exempt from FICA taxes, including Medicare taxes.
  • However, if an individual makes contributions to their HSA with after-tax dollars (not through payroll deductions), those contributions are not exempt from Medicare taxes.
  • Overall, HSA contributions are typically not subject to Medicare taxes, making them a tax-efficient way to save for medical expenses.

It's important to consult with a tax professional or financial advisor to fully understand the tax implications of HSA contributions based on your specific situation.


It's well-known that Health Savings Accounts (HSAs) allow individuals to set aside money for medical expenses while enjoying significant tax advantages. A vital consideration for many is whether contributions to HSAs fall under the purview of Medicare taxes.

Medicare taxes serve an essential role in funding the Medicare program, which provides health insurance primarily for seniors aged 65 and older, along with qualified individuals with disabilities. When discussing HSA contributions, keep in mind:

  • HSAs utilize pre-tax funds, meaning you won't pay income tax on contributions made during the deposit.
  • Employer contributions to a worker's HSA do not count as wages, thus they are exempt from FICA taxes, including Medicare taxes.
  • When employees contribute to their HSAs through payroll deductions, these contributions are also spared from FICA taxes, including Medicare taxes.
  • On the flip side, contributions made directly with after-tax dollars (not through payroll) do incur Medicare taxes.
  • In summary, HSA contributions largely escape the Medicare tax net, making them an advantageous method for accumulating savings for healthcare expenses.

For personalized advice, reach out to a tax professional or financial advisor to dissect the tax ramifications of HSA contributions tailored to your unique financial landscape.

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