Is Inogen One G5 Portable Oxygen Concentrator HSA or FSA Eligible?
Yes — Inogen One G5 Portable Oxygen Concentrator is HSA and FSA eligible when accompanied by a Letter of Medical Necessity (LMN) from a licensed healthcare provider.
Eligibility status
HSA
Eligible
FSA
Eligible
LMN required
Yes
Last verified May 2026
Inogen
Inogen One G5 Portable Oxygen Concentrator
FDA-cleared portable oxygen concentrator delivering up to 1260 mL/min of supplemental oxygen for COPD and hypoxemic patients.
$2995
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Why this eligibility status?
Portable oxygen concentrators are prescribed durable medical equipment for hypoxemia or COPD, explicitly eligible under IRS Publication 502.
The full list of qualified medical expenses is defined in IRS Publication 502, updated annually. The CARES Act of 2020 expanded eligibility to include all OTC medicines and menstrual care products.
How to use HSA/FSA for this product
- Schedule an appointment with your doctor and discuss the medical condition you need to manage.
- Request a Letter of Medical Necessity (LMN) citing Inogen One G5 Portable Oxygen Concentrator by name.
- Purchase the product with your HSA/FSA debit card, or pay out of pocket.
- Submit your receipt + LMN through your plan administrator's portal.
- Save the documentation for at least 7 years for IRS records.
Letter of Medical Necessity required
Use our free template. Your doctor can sign it in 5 minutes.
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Frequently asked
Sources & last update
- IRS Publication 502 — Medical and Dental Expenses
- FSA Store Eligibility List
- CARES Act of 2020 — OTC Drug Expansion
Last updated: May 2026