E0447 – Portable oxygen contents, liquid, 1 month's supply = 1 unit, prescribed amount at rest or nighttime exceeds 4 liters per minute (lpm)
HCPCS Level II code · E codes: Durable Medical Equipment (DME)
HCPCS codeE0447
- Long description
- Portable 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
- Pricing indicator
33DME – oxygen and oxygen equipment- Medicare coverage
DSpecial coverage instructions apply- BETOS category
D1COxygen and supplies- Added
- January 1, 2019
- Last change
- January 1, 2019 – No change
Frequently asked questions
What is HCPCS code E0447?
E0447 is a HCPCS Level II code for portable oxygen contents, liquid, 1 month's supply = 1 unit, prescribed amount at rest or nighttime exceeds 4 liters per minute (lpm).
Does Medicare cover E0447?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby E codes
- E0439 – Stationary liquid oxygen system, rental; includes container, contents, regulator, flowmeter, humidifier, nebulizer, cannula or mask, & tubing
- E0440 – Stationary liquid oxygen system, purchase; includes use of reservoir, contents indicator, regulator, flowmeter, humidifier, nebulizer, cannula or mask, and tubing
- E0441 – Stationary oxygen contents, gaseous, 1 month's supply = 1 unit
- E0442 – Stationary oxygen contents, liquid, 1 month's supply = 1 unit
- E0443 – Portable oxygen contents, gaseous, 1 month's supply = 1 unit
- E0444 – Portable oxygen contents, liquid, 1 month's supply = 1 unit
- E0445 – Oximeter device for measuring blood oxygen levels non-invasively
- E0446 – Topical oxygen delivery system, not otherwise specified, includes all supplies and accessories
- E0450 – Volume control ventilator, without pressure support mode, may include pressure control mode, used with invasive interface (e.g., tracheostomy tube)
- E0455 – Oxygen tent, excluding croup or pediatric tents
- E0457 – Chest shell (cuirass)
- E0459 – Chest wrap
- E0460 – Negative pressure ventilator; portable or stationary
- E0461 – Volume control ventilator, without pressure support mode, may include pressure control mode, used with non-invasive interface (e.g., mask)
- E0462 – Rocking bed with or without side rails
- E0463 – Pressure support ventilator with volume control mode, may include pressure control mode, used with invasive interface (e.g., tracheostomy tube)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.