Paying for HBOT Out of Pocket: What to Know

When you might pay for hyperbaric oxygen therapy yourself, questions to ask about cost and payment options, and how to approach an out-of-pocket decision wisely.

Updated June 9, 2026 4 min read
Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting any treatment. Read full disclaimer.

Not all hyperbaric oxygen therapy is covered by insurance, and some people end up paying for it themselves. Because a course of treatment can involve many sessions, paying out of pocket is a significant financial decision that deserves careful thought. This guide covers when out-of-pocket payment comes up and how to approach it wisely. It is general educational information, not medical, financial, or insurance advice.

When You Pay Out of Pocket

The main situation where people pay for HBOT themselves is off-label, investigational use. Insurance, including Medicare and commercial plans, covers HBOT for approved conditions with proper documentation, but it does not cover investigational uses, as our guides on insurance and off-label HBOT explain. So if you pursue HBOT for a condition outside the approved list, you should expect to pay entirely yourself.

Out-of-pocket costs can also arise in covered situations, through deductibles, coinsurance, and copays even when insurance pays its share, or when a covered claim is denied for reasons our guide on why claims get denied describes. So out-of-pocket payment ranges from the full cost of an uncovered off-label course to the patient share of a covered one. Knowing which situation you are in is the starting point, because it determines the scale of what you are facing.

Understand the Full Cost First

Before committing to pay out of pocket, get a clear picture of the total cost, not just the per-session price. Because HBOT for many purposes involves a series of sessions, the per-session figure multiplied across the full course is the number that matters, and it can be substantial, as our cost guide details. Ask the facility for the expected number of sessions and the cost per session so you can calculate the realistic total.

For off-label use especially, this total deserves sober consideration against genuinely uncertain potential benefit, since the evidence for investigational uses is preliminary and no one can promise a result. Our off-label HBOT guide stresses weighing the cost against that uncertainty. Going in with a clear total, rather than discovering the cost session by session, lets you make a deliberate decision rather than a drifting one.

Questions to Ask About Payment

When facing out-of-pocket payment, a few questions help you understand your options. Ask the facility what the total cost of the recommended course would be, including the per-session price and the expected number of sessions. Ask whether they offer any payment plans or financing options, since some facilities do, which can make the cost more manageable to spread out. Ask whether the price differs for paying directly versus billing insurance, since self-pay arrangements sometimes differ.

It is also worth asking whether any portion might be covered. If your situation is a covered condition with a denied claim, the path may be appeal rather than out-of-pocket payment, so confirm you are actually in an out-of-pocket situation before paying. The facility’s billing team can help clarify this. For genuinely uncovered off-label use, the question is squarely about whether and how you want to pay for something investigational, which brings the decision back to you and your doctor.

Be Cautious and Involve Your Doctor

Paying out of pocket for an investigational treatment warrants extra caution, because you are spending your own money on something whose benefit for your condition is not established. Be wary of providers who pair confident claims of benefit with pressure to commit to an expensive course, since enthusiasm is not evidence, and the FDA has cautioned that some claims made for HBOT are unproven, as noted in its consumer guidance on hyperbaric oxygen therapy. A legitimate provider should be straightforward about costs and honest about the state of the evidence.

Most importantly, involve your own doctor in any out-of-pocket decision, especially for off-label use. Your physician can weigh the preliminary evidence against your specific condition impartially, in a way a provider selling the treatment cannot, and help you decide whether the spending makes sense for you. Out-of-pocket HBOT is a real choice some people make, and the way to make it wisely is to understand the full cost, ask about payment options, stay cautious about confident claims, and decide together with your doctor. This page offers general information rather than medical or financial advice, and your providers and the facility’s billing team are the right sources for your specific situation.

Medical Disclaimer: This page provides general educational information about paying for hyperbaric oxygen therapy out of pocket. It is not medical, financial, or insurance advice. Discuss treatment and cost decisions with your healthcare provider and the facility.

Sources: FDA, Hyperbaric Oxygen Therapy: Get the Facts | CMS, National Coverage Determination for Hyperbaric Oxygen Therapy (20.29)

Related guides: Cost of HBOT | Off-Label HBOT | Why Claims Get Denied