E0492 — Power source and control electronics unit for oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, controlled by phone application
E0492 is a HCPCS Level II code for power source and control electronics unit for oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, controlled by phone application. It belongs to the Durable Medical Equipment section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Non-covered by statute
Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
The CMS record for E0492
- Long descriptor
- Power source and control electronics unit for oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, controlled by phone application
- Short descriptor
- Control unit nm stim w phone
- Added
- January 1, 2024
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
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.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to E0492
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If E0492 is not quite right, the correct code is very often within a few positions of it.
- E0482Cough stimulating device, alternating positive and negative airway pressure
- E0483High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each
- E0484Oscillatory positive expiratory pressure device, non-electric, any type, each
- E0485Oral device/appliance used to reduce upper airway collapsibility, adjustable or non-adjustable, prefabricated, includes fitting and adjustment
- E0486Oral device/appliance used to reduce upper airway collapsibility, adjustable or non-adjustable, custom fabricated, includes fitting and adjustment
- E0487Spirometer, electronic, includes all accessories
- E0490Power source and control electronics unit for oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, controlled by hardware remote
- E0491Oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, used in conjunction with the power source and control electronics unit, controlled by hardware remote, 90-day supply
- E0493Oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, used in conjunction with the power source and control electronics unit, controlled by phone application, 90-day supply
- E0500Ippb machine, all types, with built-in nebulization; manual or automatic valves; internal or external power source
- E0530Electronic positional obstructive sleep apnea treatment, with sensor, includes all components and accessories, any type
- E0550Humidifier, durable for extensive supplemental humidification during ippb treatments or oxygen delivery
- E0555Humidifier, durable, glass or autoclavable plastic bottle type, for use with regulator or flowmeter
- E0560Humidifier, durable for supplemental humidification during ippb treatment or oxygen delivery
- E0561Humidifier, non-heated, used with positive airway pressure device
- E0562Humidifier, heated, used with positive airway pressure device
Questions about E0492
What is HCPCS code E0492?
E0492 is a HCPCS Level II code for power source and control electronics unit for oral device/appliance for neuromuscular electrical stimulation of the tongue muscle, controlled by phone application. It sits in the Durable Medical Equipment section.
Does Medicare cover E0492?
The CMS HCPCS file marks E0492 as "Non-covered by statute". Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.