E0466: Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)
E0466 is a HCPCS Level II code for home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell). It belongs to the Durable Medical Equipment section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q4-Oct. This states Medicare’s position on the code, not on your particular claim.
Medically Unlikely Edits: units per day
The most units of E0466 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 0, never payable MAI 3: Date of Service Edit: Clinical · CMS Policy
- outpatient
- 0, never payable MAI 3: Date of Service Edit: Clinical · CMS Policy
- DME supplier
- 2 units MAI 3: Date of Service Edit: Clinical · Nature of Equipment
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute, no documentation overrides it. CMS MUE 2026Q4.
The CMS record for E0466
- Long descriptor
- Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)
- Short descriptor
- Home vent non-invasive inter
- Added
- January 1, 2016
- BETOS
- D1E
- Pricing indicator
- 31: DMEPOS
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service: CMS's own analytic grouping.
Frequently serviced DME. Price subject to floors and ceilings.
Codes adjacent to E0466
HCPCS has no hierarchy: related items simply sit next to each other in the numbering. If E0466 is not quite right, the correct code is very often within a few positions of it.
- E0457Chest shell (cuirass)
- E0459Chest wrap
- E0460Negative pressure ventilator; portable or stationaryterminated
- E0461Volume control ventilator, without pressure support mode, may include pressure control mode, used with non-invasive interface (e.g., mask)terminated
- E0462Rocking bed with or without side rails
- E0463Pressure support ventilator with volume control mode, may include pressure control mode, used with invasive interface (e.g., tracheostomy tube)terminated
- E0464Pressure support ventilator with volume control mode, may include pressure control mode, used with non-invasive interface (e.g., mask)terminated
- E0465Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube)
- E0467Home ventilator, multi-function respiratory device, also performs any or all of the additional functions of oxygen concentration, drug nebulization, aspiration, and cough stimulation, includes all accessories, components and supplies for all functions
- E0468Home ventilator, dual-function respiratory device, also performs additional function of cough stimulation, includes all accessories, components and supplies for all functions
- E0469Lung expansion airway clearance, continuous high frequency oscillation, and nebulization device
- E0470Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device)
- E0471Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device)
- E0472Respiratory assist device, bi-level pressure capability, with backup rate feature, used with invasive interface, e.g., tracheostomy tube (intermittent assist device with continuous positive airway pressure device)
- E0480Percussor, electric or pneumatic, home model
- E0481Intrapulmonary percussive ventilation system and related accessories