Product-link disclosure: Product links are provided for reference. IronThaw does not currently earn commissions from these links.
Tax and medical notice: This article provides general information, not tax, legal, plan, or medical advice. Eligibility depends on federal rules, the account type, the plan administrator, the expense, documentation, and individual facts. Verify before purchasing or seeking reimbursement.
Short answer: Cold plunges, saunas, and red-light devices are not automatically qualified medical expenses merely because they may be used for wellness. Do not assume that a retailer checkout, telehealth questionnaire, product label, or Letter of Medical Necessity guarantees reimbursement.
The Controlling Federal Standard
IRS Publication 502 states that medical expenses are costs of diagnosis, cure, mitigation, treatment, or prevention of disease and that expenses merely beneficial to general health are not included. Publication 502 is guidance for deducting medical expenses; HSA and FSA administration can involve additional account and plan rules.
What to Confirm Before Buying
- Ask the plan administrator whether the specific expense is eligible and what documentation is required.
- Ask a qualified tax professional how the federal rules apply to your account and circumstances.
- If a clinician is involved, the clinician—not a merchant or IronThaw—must determine whether an item is medically necessary.
- Retain the current product description, itemized receipt, plan determination, and any required clinical documentation.
- Do not rely on a merchant’s “HSA/FSA eligible” badge as a guarantee that your plan will approve the claim.
About Letters of Medical Necessity
A Letter of Medical Necessity may be part of the documentation a plan requests, but its existence does not automatically convert any wellness purchase into a qualified expense. The letter must be clinically truthful, specific to the person and condition, and acceptable under the relevant account and plan rules. IronThaw does not advise readers on what diagnosis to cite or how to obtain approval.
Product and Retailer Claims
Earlier statements on this page named conditions, approval patterns, retailer partnerships, and savings percentages without adequate plan-level evidence. Those statements have been removed. Current manufacturer links, if present, are reference links only and do not indicate IronThaw approval, affiliate status, or reimbursement eligibility.
Bottom Line
Verify eligibility with the plan administrator before purchase. If the primary purpose is general wellness, do not represent it as disease treatment to obtain tax-advantaged reimbursement.
Source: IRS Publication 502 (2025).