E0431 HCPCS Level II code: Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing
E0431 is the HCPCS code for “Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
E0431Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing
Short description: Portable gaseous 02
HCPCS · United States
Medicare details
The indicators CMS publishes with E0431 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- DMEPOS fee schedule – Oxygen and oxygen equipment (price subject to floors and ceilings)
- Type of service
- Rental of DME
- BETOS category
- Oxygen and supplies
- Added
- Jan 1, 1993
Where E0431 sits
- 1E codesDurable medical equipment
- 2Active code E0431Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code E0431 mean?
E0431 is the HCPCS code for “Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover E0431?
CMS lists E0431’s Medicare coverage as “Special coverage instructions apply” and its pricing as “DMEPOS fee schedule – Oxygen and oxygen equipment (price subject to floors and ceilings)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside E0431
All E codesE0371Nonpowered advanced pressure reducing overlay for mattress, standard mattress length and widthE0372Powered air overlay for mattress, standard mattress length and widthE0373Nonpowered advanced pressure reducing mattressE0424Stationary compressed gaseous oxygen system, rental; includes container, contents, regulator, flowmeter, humidifier, nebulizer, cannula or mask, and tubingE0425Stationary compressed gas system, purchase; includes regulator, flowmeter, humidifier, nebulizer, cannula or mask, and tubingE0430Portable gaseous oxygen system, purchase; includes regulator, flowmeter, humidifier, cannula or mask, and tubingE0433Portable liquid oxygen system, rental; home liquefier used to fill portable liquid oxygen containers, includes portable containers, regulator, flowmeter, humidifier, cannula or…E0434Portable liquid oxygen system, rental; includes portable container, supply reservoir, humidifier, flowmeter, refill adaptor, contents gauge, cannula or mask, and tubingE0435Portable liquid oxygen system, purchase; includes portable container, supply reservoir, flowmeter, humidifier, contents gauge, cannula or mask, tubing and refill adaptorE0439Stationary liquid oxygen system, rental; includes container, contents, regulator, flowmeter, humidifier, nebulizer, cannula or mask, & tubingE0440Stationary liquid oxygen system, purchase; includes use of reservoir, contents indicator, regulator, flowmeter, humidifier, nebulizer, cannula or mask, and tubingE0441Stationary oxygen contents, gaseous, 1 month's supply = 1 unit