A CPAP machine costs $500 to $1,000 out of pocket. It is HSA-eligible when a doctor diagnoses sleep apnea. So are the masks, cushions, tubing, and filters you replace all year long.
The machine is the obvious purchase. The supplies are the money people forget. A mask cushion every month and filters twice a month add up to hundreds of dollars a year.
This guide covers what qualifies, the prescription rule, and why the recurring supply receipts matter most.
The Rule in One Sentence
The IRS counts durable medical equipment as a medical expense when it treats a diagnosed condition. That standard comes from Section 213(d) of the tax code and IRS Publication 502.
Sleep apnea is a diagnosed condition. A CPAP machine treats it. So the machine and its supplies qualify, as long as a doctor prescribed the therapy.
Yes, the Machine Qualifies
CPAP, APAP, and BiPAP machines are all HSA-eligible. They are durable medical equipment to treat sleep apnea.
| Machine Type | What It Does | Typical Cash Price |
|---|---|---|
| CPAP | One steady pressure | $500 to $1,000 |
| APAP | Auto-adjusting pressure | $600 to $1,600 |
| BiPAP | Two pressures, inhale and exhale | $1,700 to $3,000 |
You reimburse what you actually pay. If insurance covered part of the cost, only your share counts. Save the receipt that shows your out-of-pocket amount.
A Prescription Is Required
This is durable medical equipment, so a prescription is the dividing line. No prescription, no clean claim.
You almost always have one already. A CPAP machine requires a diagnosis from a sleep study to be set up correctly. Keep the prescription with the receipt.
A diagnosis with no paper trail is the weak spot. If your records are thin, ask your provider for a letter naming the sleep apnea diagnosis.
Sleep Studies Count Too
The sleep study that diagnosed you is also HSA-eligible. Both kinds qualify.
- ●In-lab overnight sleep studies (polysomnography)
- ●At-home sleep tests
These are medical care to diagnose a condition. Save the bill from the lab or the at-home test company.
The Supplies Are the Forgotten Money
Here is the part most people miss. Every CPAP supply is HSA-eligible, and they get replaced on a schedule.
Masks, cushions, headgear, tubing, filters, and the humidifier water chamber all qualify. The frequency below tracks the Medicare replacement schedule, which most insurers follow.
| Supply | Replacement Frequency | Typical Cost |
|---|---|---|
| Nasal mask cushion or pillows | Twice a month | $20 to $40 each |
| Full-face mask cushion | Monthly | $30 to $60 |
| Disposable filters | Twice a month | $1 to $5 each |
| Mask frame | Every 3 months | $40 to $100 |
| Tubing or hose | Every 3 months | $15 to $40 |
| Headgear | Every 6 months | $20 to $40 |
| Non-disposable filter | Every 6 months | $10 to $20 |
| Humidifier water chamber | Every 6 months | $20 to $40 |
| Full mask | Every 3 months | $50 to $200 |
Add it up and a year of supplies often runs $200 to $600. Every dollar of that is HSA-eligible.
Why the Recurring Receipts Beat the Machine
The machine is one big receipt you remember. The supplies are a dozen small receipts you forget.
A cushion in January. Filters in February. Tubing in March. Each one is small, so it is easy to skip saving it. Skip them all year and you lose hundreds in eligible reimbursement.
Set a rule. Every time a CPAP supply ships or rings up, save the receipt the same day. That is the single habit that turns this into real tax savings.
What It Is Worth in Tax Savings
Paying with HSA money means paying with pre-tax dollars. On gear you buy anyway, that is free money.
Say the machine plus a year of supplies comes to $1,200. At a combined 27% tax rate, paying through your HSA saves around $324. Then it repeats every year on supplies alone.
What Is Not Covered
A few items fall outside the rule. These are not HSA-eligible without more documentation.
- ●Mask liners and other comfort add-ons Medicare calls optional
- ●CPAP cleaning machines, which the IRS treats as general health, not treatment
- ●Distilled water for the humidifier, a general household item
When in doubt, the test is simple. Does it treat the diagnosed sleep apnea, or is it a convenience? Treatment qualifies. Convenience usually does not.
Save Now, Reimburse Later
You do not have to reimburse yourself the day you buy a mask. You can pay cash now and pull the money from your HSA years later, after it has grown.
The receipt is what makes that possible. See how long to keep HSA receipts and the full HSA-eligible expenses list.
For a CPAP user, the supply receipts are the easy ones to lose and the easy ones to save. Save every one.