Yes, you can buy a blood pressure monitor with your HSA. It counts as a qualified medical expense under federal tax law, so the purchase is tax-free, and you don’t need a prescription or a letter from your doctor. Most home monitors run between $30 and $100.
Why It Qualifies
The IRS defines medical care broadly enough to cover any amount spent on diagnosing, treating, or preventing disease.1Office of the Law Revision Counsel. 26 USC 213 – Medical, Dental, Etc., Expenses Publication 502 specifically lists “equipment, supplies, and diagnostic devices” as qualifying costs.2Internal Revenue Service. Publication 502 (2025), Medical and Dental Expenses A blood pressure monitor is exactly that kind of device.
If you’ve already been diagnosed with hypertension, there’s an extra benefit. In 2019, the IRS classified blood pressure monitors as preventive care for people with high blood pressure.3Internal Revenue Service. IRS Expands List of Preventive Care for HSA Participants to Include Certain Care for Chronic Conditions That means your high-deductible health plan can cover the monitor before you hit your deductible. Check your plan documents; you may not need to touch HSA funds at all.
How to Pay at Checkout
The simplest way is to swipe your HSA debit card. Many pharmacies and medical supply retailers run an Inventory Information Approval System that checks each item against an approved list of health care products at the register.4Special Interest Group for IIAS Standards. Eligible Product List Criteria When the system recognizes a blood pressure monitor as eligible, the transaction goes through with no extra paperwork on your end. CVS, Walgreens, Walmart, and Target typically participate.
If a retailer doesn’t use that verification system, your card may still work, but your HSA administrator might ask for documentation afterward. And if you don’t have an HSA debit card, pay out of pocket and reimburse yourself.
Reimbursing Yourself Later
There is no deadline to reimburse yourself from your HSA. You can buy the monitor today on a personal credit card and pull the money out of your HSA months or years from now. The only real requirement is that the expense was incurred after you established the account.5Internal Revenue Service. Publication 969 (2025), Health Savings Accounts and Other Tax-Favored Health Plans
That timing rule catches people. If you bought a monitor in January but didn’t open your HSA until March, the January purchase doesn’t qualify, even though both happened in the same year.5Internal Revenue Service. Publication 969 (2025), Health Savings Accounts and Other Tax-Favored Health Plans
To file a reimbursement, log into your HSA administrator’s portal and submit a claim with the purchase date, dollar amount, and itemized receipt. Most administrators also ask you to certify that the expense wasn’t reimbursed from another source. Processing usually takes a few business days.
Records to Keep
The IRS wants you to be able to show three things: the distribution went to a qualified medical expense, the expense wasn’t reimbursed by insurance or anyone else, and you didn’t also claim it as an itemized deduction.5Internal Revenue Service. Publication 969 (2025), Health Savings Accounts and Other Tax-Favored Health Plans Keep the itemized receipt showing the merchant, date, and the specific item. A receipt with only a dollar total won’t hold up if you ever get asked.
Records should be kept for at least three years from the date you file the return for the year of the distribution.6Internal Revenue Service. How Long Should I Keep Records If you plan to sit on a receipt and reimburse yourself years later, keep it indefinitely. Scanning to a cloud folder takes seconds and beats digging through faded thermal paper.
Buying One for a Spouse or Dependent
HSA funds aren’t limited to your own expenses. You can use distributions to pay qualified medical expenses for yourself, your spouse, and any tax dependent.7Office of the Law Revision Counsel. 26 USC 223 – Health Savings Accounts So a monitor for a parent who is your tax dependent qualifies. Your spouse qualifies regardless of whether they’re covered under your health plan.
You also don’t need family HDHP coverage to spend HSA money on a family member. The contribution limits and the spending rules are separate. Even with a self-only HSA, distributions can cover a spouse or dependent’s medical expenses.
Smartwatches and Dual-Purpose Devices
A dedicated blood pressure monitor is a clear yes. A smartwatch that happens to track blood pressure is not. A general-purpose device like an Apple Watch or Fitbit fails because its primary purpose is personal electronics, not medical care. The IRS applies a “but for” test: would you buy the item if not for the medical condition? If you’d want it anyway for notifications, fitness tracking, and music, it doesn’t qualify.
The exception is a device that is FDA-cleared as medical equipment. Some manufacturers now sell standalone smart blood pressure monitors classified as medical devices rather than consumer electronics, and those qualify. For anything that blurs the line, the safer path is a letter of medical necessity from your doctor tying the device to a specific condition. Even then, only the medical portion of a dual-purpose device is eligible, and administrators tend to scrutinize the claim.
Replacement Cuffs, Tubing, and Batteries
Replacement cuffs, tubing, and similar parts fall under the same diagnostic-device logic that covers the monitor. Batteries used exclusively in the medical device are also generally eligible. The word doing the work is “exclusively.” A pack of AA batteries that could go anywhere is harder to defend than a proprietary battery or charging cable made for your specific monitor. When it’s close, buy parts labeled and marketed for the device rather than generic substitutes.