HCPCS E0492: Power Unit for Oral Tongue Neuromuscular Stimulation

HCPCS Level II code E0492 denotes the power source and control electronics unit for an oral appliance that delivers neuromuscular electrical stimulation to the tongue muscle and is controlled via a phone application. This category of equipment supports management of tongue motor function in conditions that affect swallowing and speech mechanics and represents a growing intersection of durable medical equipment and digital health controls. Nationally, accurate coding for these components matters for device access, claims processing, and consistent benefit design as remote-control features become more common.

Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what E0492 represents, the typical service settings where the unit is used, and the clinical context for neuromuscular stimulation of the tongue. The publication outlines common billing modifiers associated with this category (listed separately), summarizes payer coverage considerations, and highlights coding relationships to related durable medical equipment and therapy services. The content is intended to inform billing administrators, clinical program leads, and policy analysts about coding terminology, expected use cases, and topics relevant to reimbursement and claims adjudication for in-clinic and home-use stimulation devices.

Customize your policy alerts

Sign up for hcpcs E0492 policy alerts

Get alerted when payer policies referencing E0492 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Billing Code Overview

HCPCS Level II code E0492 describes a power source and control electronics unit for an oral device or appliance used to deliver neuromuscular electrical stimulation of the tongue muscle, with control via a phone application. The device component billed under this code supplies electrical power and houses the control circuitry that enables stimulation parameters to be adjusted and monitored through a mobile app.

Service Type: Durable medical equipment/electronic control unit for neuromuscular stimulation

Typical Site of Service: Outpatient clinics, speech therapy or dysphagia treatment settings, and patients’ homes

Explore openpayer tools

View all tools

HCPCS E0492: Power Unit for Oral Tongue Neuromuscular Stimulation

Customize your policy alerts

Sign up for hcpcs E0492 policy alerts

Get alerted when payer policies referencing E0492 are released or updated.

Monitor payer policy activity

Receive email alerts as soon as relevant payer policies are published or updated.

Billing Code Overview

Service Type: Durable medical equipment/electronic control unit for neuromuscular stimulation

Typical Site of Service: Outpatient clinics, speech therapy or dysphagia treatment settings, and patients’ homes

Clinical & Coding Specifications

Clinical Context

A typical patient is an adult with chronic oropharyngeal dysphagia and impaired tongue base strength after stroke or neurodegenerative disease who is prescribed a neuromuscular electrical stimulation (NMES) oral appliance targeting the genioglossus and other tongue muscles. The device consists of a removable intraoral stimulator and a separate E0492 power source and control electronics unit that pairs with a clinician-configured smartphone application for therapy delivery and home use. Clinical workflow: initial evaluation by a speech-language pathologist (SLP) or otolaryngologist documents tongue weakness and functional swallowing impairment using bedside swallow examination and validated measures (e.g., FOIS, MASA). The clinician programs stimulation parameters and trains the patient and caregiver on device placement, phone application pairing, safety checks, device charging, and treatment schedule. Follow-up visits occur at regular intervals (typically 2–6 weeks) to adjust intensity, review adherence data from the app, and assess functional progress; device replacement or repairs follow manufacturer and payer policies. Typical site of service is outpatient clinic, rehabilitation facility, or patient home for device use and remote monitoring; initial fitting and training usually occur in an outpatient SLP clinic or otolaryngology office.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`R13.10`	Dysphagia, unspecified	Common indication for tongue-targeted NMES to improve swallowing function.
`R13.11`	Dysphagia, oral phase	Directly relevant when tongue weakness causes impaired oral phase of swallowing targeted by the device.
`R13.12`	Dysphagia, oropharyngeal phase	Relevant for stimulation of tongue base and oropharyngeal coordination.
`I69.391`	Dysphagia following cerebral infarction	Post-stroke dysphagia is a frequent clinical scenario motivating NMES device use.
`G31.84`	Mild cognitive impairment, so stated	Patients with neurodegenerative conditions may have tongue dysfunction contributing to dysphagia; device use depends on cognitive ability to follow instructions.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`92507`	Treatment of speech, language, voice, communication, and/or auditory processing disorder; individual — each 15 minutes	Common code used by speech-language pathologists for hands-on therapy sessions that accompany device-based NMES treatment.
`92526`	Treatment of swallowing dysfunction and/or oral function for feeding; direct (e.g., in-person) contact, individual, each 15 minutes	Used for direct dysphagia treatment sessions where the NMES device is applied during therapy.
`97760`	Orthotic(s) management and training, upper extremity, lower extremity and/or trunk, initial encounter, each 15 minutes	Occasionally used analogously for device training and patient education when payers require orthotic management codes for durable therapeutic appliances.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or procedure	Used to report separately supplied disposable or non-billable consumable items associated with the device when payer policy permits separate billing.
`99072`	Infection control supplies added during a public health emergency	Applicable only under declared conditions if additional supplies for safe device fitting or training are required.

Related Modifiers

8 rows

Modifier	Description	When to Use
22	Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…	- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
23	Modifier -23 (Unusual Anesthesia) is used on anesthesia service CPT codes when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia…	- Use modifier -23 only on anesthesia CPT codes (00100–01999) when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia because of…
52	Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…	- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
53	Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…	- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
54	Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…	- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…
55	Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…	- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
56	Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…	- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
62	Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…	- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
174400000X	Specialist	An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond…
207Q00000X	Family Medicine Physician	Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadt…
207L00000X	Anesthesiology Physician	An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
363A00000X	Physician Assistant	A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and…
282N00000X	General Acute Care Hospital	An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medica…
347D00000X	Train	An organization or business licensed to provide passenger train service, including light rail, subway, and traditional services.
367H00000X	Anesthesiologist Assistant	An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants …
2472E0500X	EEG Technician	Technologists, Technicians & Other Technical Service Providers · Technician, Other

HCPCS E0100: Cane, Adjustable or Fixed, With Tip

HCPCS-E0105-CANE-QUAD-THREE-PRONG-MOBILITY-AID

HCPCS E0105: Cane, Quad or Three Prong, Adjustable or Fixed

HCPCS-E0110-FOREARM-CRUTCHES-PAIR-DME-MOBILITY

HCPCS E0110: Forearm Crutches, Pair, Complete with Tips and Handgrips

HCPCS-E0111-CRUTCH-FOREARM-DURABLE-MEDICAL-EQUIPMENT

HCPCS E0111: Crutch Forearm, Includes Tip and Handgrips

HCPCS-E0112-UNDERARM-WOOD-CRUTCHES-PAIR

HCPCS E0112: Underarm Wooden Crutches, Pair, with Pads and Handgrips

HCPCS-E0113-CRUTCH-UNDERARM-WOOD-ADJUSTABLE-FIXED-WITH-PAD-TIP-HANDGRIP

HCPCS Level II E0113: Crutch Underarm, Wood, with Pad, Tip and Handgrip

HCPCS-E0114-UNDERARM-CRUTCHES-PAIR-ADJUSTABLE-FIXED

HCPCS E0114: Underarm Crutches, Non-Wood, Pair, Adjustable or Fixed

HCPCS-E0116-UNDERARM-CRUTCH-NON-WOOD-ADJUSTABLE-FIXED

HCPCS E0116: Underarm Crutch, Non‑Wood, Adjustable or Fixed

HCPCS-E0117-ARTICULATING-SPRING-ASSISTED-UNDERARM-CRUTCH

HCPCS E0117: Articulating, Spring-Assisted Underarm Crutch

HCPCS-E0118-LOWER-LEG-PLATFORM-CRUTCH-SUBSTITUTE

HCPCS E0118: Lower Leg Platform Crutch Substitute

Showing 1–10 of 670

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Explore openpayer tools

View all tools

Clinical & Coding Specifications

Clinical Context

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`R13.10`	Dysphagia, unspecified	Common indication for tongue-targeted NMES to improve swallowing function.
`R13.11`	Dysphagia, oral phase	Directly relevant when tongue weakness causes impaired oral phase of swallowing targeted by the device.
`R13.12`	Dysphagia, oropharyngeal phase	Relevant for stimulation of tongue base and oropharyngeal coordination.
`I69.391`	Dysphagia following cerebral infarction	Post-stroke dysphagia is a frequent clinical scenario motivating NMES device use.
`G31.84`	Mild cognitive impairment, so stated	Patients with neurodegenerative conditions may have tongue dysfunction contributing to dysphagia; device use depends on cognitive ability to follow instructions.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`92507`	Treatment of speech, language, voice, communication, and/or auditory processing disorder; individual — each 15 minutes	Common code used by speech-language pathologists for hands-on therapy sessions that accompany device-based NMES treatment.
`92526`	Treatment of swallowing dysfunction and/or oral function for feeding; direct (e.g., in-person) contact, individual, each 15 minutes	Used for direct dysphagia treatment sessions where the NMES device is applied during therapy.
`97760`	Orthotic(s) management and training, upper extremity, lower extremity and/or trunk, initial encounter, each 15 minutes	Occasionally used analogously for device training and patient education when payers require orthotic management codes for durable therapeutic appliances.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or procedure	Used to report separately supplied disposable or non-billable consumable items associated with the device when payer policy permits separate billing.
`99072`	Infection control supplies added during a public health emergency	Applicable only under declared conditions if additional supplies for safe device fitting or training are required.

Related Modifiers

8 rows

Modifier	Description	When to Use
22	Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…	- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
23	Modifier -23 (Unusual Anesthesia) is used on anesthesia service CPT codes when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia…	- Use modifier -23 only on anesthesia CPT codes (00100–01999) when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia because of…
52	Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…	- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
53	Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…	- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
54	Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…	- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…
55	Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…	- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
56	Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…	- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
62	Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…	- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…

Related Provider Taxonomies

8 rows

Taxonomy Code	Specialty	Notes
174400000X	Specialist	An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond…
207Q00000X	Family Medicine Physician	Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadt…
207L00000X	Anesthesiology Physician	An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
363A00000X	Physician Assistant	A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and…
282N00000X	General Acute Care Hospital	An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medica…
347D00000X	Train	An organization or business licensed to provide passenger train service, including light rail, subway, and traditional services.
367H00000X	Anesthesiologist Assistant	An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants …
2472E0500X	EEG Technician	Technologists, Technicians & Other Technical Service Providers · Technician, Other

HCPCS E0100: Cane, Adjustable or Fixed, With Tip

HCPCS-E0105-CANE-QUAD-THREE-PRONG-MOBILITY-AID

HCPCS E0105: Cane, Quad or Three Prong, Adjustable or Fixed

HCPCS-E0110-FOREARM-CRUTCHES-PAIR-DME-MOBILITY

HCPCS E0110: Forearm Crutches, Pair, Complete with Tips and Handgrips

HCPCS-E0111-CRUTCH-FOREARM-DURABLE-MEDICAL-EQUIPMENT

HCPCS E0111: Crutch Forearm, Includes Tip and Handgrips

HCPCS-E0112-UNDERARM-WOOD-CRUTCHES-PAIR

HCPCS E0112: Underarm Wooden Crutches, Pair, with Pads and Handgrips

HCPCS-E0113-CRUTCH-UNDERARM-WOOD-ADJUSTABLE-FIXED-WITH-PAD-TIP-HANDGRIP

HCPCS Level II E0113: Crutch Underarm, Wood, with Pad, Tip and Handgrip

HCPCS-E0114-UNDERARM-CRUTCHES-PAIR-ADJUSTABLE-FIXED

HCPCS E0114: Underarm Crutches, Non-Wood, Pair, Adjustable or Fixed

HCPCS-E0116-UNDERARM-CRUTCH-NON-WOOD-ADJUSTABLE-FIXED

HCPCS E0116: Underarm Crutch, Non‑Wood, Adjustable or Fixed

HCPCS-E0117-ARTICULATING-SPRING-ASSISTED-UNDERARM-CRUTCH

HCPCS E0117: Articulating, Spring-Assisted Underarm Crutch

HCPCS-E0118-LOWER-LEG-PLATFORM-CRUTCH-SUBSTITUTE

HCPCS E0118: Lower Leg Platform Crutch Substitute

Showing 1–10 of 670

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

OpenPayer

HCPCS E0492: Power Unit for Oral Tongue Neuromuscular Stimulation

Sign up for hcpcs E0492 policy alerts

Billing Code Overview

OpenPayer

HCPCS E0492: Power Unit for Oral Tongue Neuromuscular Stimulation

Sign up for hcpcs E0492 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Related Diagnoses

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Related Diagnoses

Related CPT Codes

Related Modifiers

Related Provider Taxonomies

Related Codes

References