Is FreeStyle Libre 3 Sensor 14-Day HSA or FSA Eligible?
Yes — FreeStyle Libre 3 Sensor 14-Day 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
FreeStyle
FreeStyle Libre 3 Sensor 14-Day
14-day CGM sensor — the smallest and thinnest CGM available, with real-time glucose alerts sent to smartphones.
$74
Affiliate link — supports this site at no cost to you
Why this eligibility status?
Continuous glucose monitors are qualified medical devices for diabetes management under IRS Publication 502. A prescription is required.
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 FreeStyle Libre 3 Sensor 14-Day 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.
Related products
Omron
Omron 10 Series Blood Pressure Monitor✓ Use your HSA/FSA card at checkout
Zacurate
Zacurate Pro Series 500DL Pulse Oximeter✓ Use your HSA/FSA card at checkout
iHealth
iHealth Track Wireless Blood Pressure Monitor✓ Use your HSA/FSA card at checkout
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