The Infrared Sauna Pro is HSA/FSA eligible once a clinician signs a Letter of Medical Necessity, and Caeli gets you one during checkout.
Covered by your benefits
- HSA — with LMN
- Health FSA — with LMN
Covered by your HSA/FSA with a Letter of Medical Necessity (LMN). Caeli runs the telehealth intake during checkout — under 3 minutes.
Do you qualify?
- Bones, joints & muscles
Benefit-maxxing tips
Saves ~$2,397
Use FSA first — it expires. Leave HSA to grow.
Checked against common benefit plans. Your employer's plan may differ.
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About this product
The Plunge Infrared Sauna brings intense, immersive heat home with fast heat-up times, premium craftsmanship, and thoughtful touches that make daily recovery effortless.
Quick facts
- Brand
- Plunge
- Category
- Health & Wellness
- Concerns addressed
- Thermal Therapy & Circulation
- IRS classification
- Qualified medical expense (with an LMN)
- Caeli receipt vault
- Auto-saved for 7 years
- Sold by
- plunge.com
What shoppers ask before they click buy
Written by Caeli's benefits team. If we haven't answered your question, the extension's in-app chat is staffed by humans.
Can I buy the The Infrared Sauna Pro with my HSA or FSA?
With a Letter of Medical Necessity, yes. The IRS treats many wellness products as "general wellness" by default; an LMN from a clinician documents the medical purpose and converts the purchase into a qualified medical expense. Caeli automates the LMN flow inline during checkout.
What is a Letter of Medical Necessity (LMN), exactly?
A short note from a licensed clinician naming the product, the medical condition it treats, and the duration of treatment. It's a single page. Caeli's telehealth partners issue one through an intake that runs concurrently with merchant checkout — under 3 minutes from your side.
What if I get audited?
Caeli vaults your LMN, the itemized receipt, and your symptom intake together for the full 7-year IRS audit window. If your HSA administrator or the IRS asks, you forward one folder.
Does my wellness stipend (LSA) cover this?
Maybe — LSA coverage is set by your employer's plan, so it varies by person. Caeli reads your employer's LSA categories and tells you whether you can pay this way — often with no paperwork. If you have both an LSA and an HSA, Caeli steers you to spend the LSA first (it can expire) and protect the HSA (it compounds).
Does Caeli ever see my medical records?
Only the intake answers you choose to share with the telehealth clinician. Caeli itself does not store diagnoses; we store the LMN as the clinician issues it.