E0447 HCPCS Level II code: Portable oxygen contents, liquid, 1 month's supply = 1 unit, prescribed amount at rest or nighttime exceeds 4 liters per minute (lpm)
E0447 is the HCPCS code for “Portable oxygen contents, liquid, 1 month's supply = 1 unit, prescribed amount at rest or nighttime exceeds 4 liters per minute (lpm)” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
E0447Portable oxygen contents, liquid, 1 month's supply = 1 unit, prescribed amount at rest or nighttime exceeds 4 liters per minute (lpm)
Short description: Port o2 cont, liq over 4 lpm
HCPCS · United States
Medicare details
The indicators CMS publishes with E0447 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
- Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Oxygen and supplies
- Added
- Jan 1, 2019
Where E0447 sits
- 1E codesDurable medical equipment
- 2Active code E0447Portable oxygen contents, liquid, 1 month's supply = 1 unit, prescribed amount at rest or nighttime exceeds 4 liters per minute (lpm)
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 E0447 mean?
E0447 is the HCPCS code for “Portable oxygen contents, liquid, 1 month's supply = 1 unit, prescribed amount at rest or nighttime exceeds 4 liters per minute (lpm)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover E0447?
CMS lists E0447’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 E0447
All E codesE0441Stationary oxygen contents, gaseous, 1 month's supply = 1 unitE0442Stationary oxygen contents, liquid, 1 month's supply = 1 unitE0443Portable oxygen contents, gaseous, 1 month's supply = 1 unitE0444Portable oxygen contents, liquid, 1 month's supply = 1 unitE0445Oximeter device for measuring blood oxygen levels non-invasivelyE0446Topical oxygen delivery system, not otherwise specified, includes all supplies and accessoriesE0450Volume control ventilator, without pressure support mode, may include pressure control mode, used with invasive interface (e.g., tracheostomy tube)E0455Oxygen tent, excluding croup or pediatric tentsE0457Chest shell (cuirass)E0459Chest wrapE0460Negative pressure ventilator; portable or stationaryE0461Volume control ventilator, without pressure support mode, may include pressure control mode, used with non-invasive interface (e.g., mask)