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    v1.0.31
    OpenPayerBilling CodesDurable Medical EquipmentHCPCS hcpcs-e0492-oral-tongue-neuromuscular-stimulation-power-unit-phone-control
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    HCPCS E0492: Power Unit for Tongue Neuromuscular Electrical Stimulation

    HCPCS Level II code E0492 describes a power source and control electronics unit for an oral device used for neuromuscular electrical stimulation of the tongue muscle, with control via a phone application; service type is durable medical equipment/assistive device provisioning and the typical site of service is outpatient clinics, durable medical equipment providers, or home use following fitting and training.

    For related coverage guidance, see recent payer policy updates: Hospital Beds Corporate Medical Policy, Continuous Passive Motion Devices with Remote Monitoring or Adaptive Capabilities, Bone Growth Stimulators.

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    Table of contents

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    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 CPT Codes

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

    Related Modifiers

    8 rows

    ModifierDescriptionWhen to Use
    22Modifier –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…
    23Modifier -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…
    52Modifier ‑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…
    53Modifier 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…
    54Modifier ‑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…
    55Modifier –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…
    56Modifier ‑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…
    62Modifier 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
    174400000X
    207Q00000X
    207L00000X
    363A00000X
    282N00000X
    347D00000X
    367H00000X
    2472E0500X

    Related ICD-10-CM Codes

    24 rows

    ICD-10-CM CodeDescription
    G47.00Insomnia, unspecified
    G47.01Insomnia due to medical condition
    G47.30Sleep apnea, unspecified
    G47.33Obstructive sleep apnea (adult) (pediatric)
    G47.39Other sleep apnea
    G47.9Sleep disorder, unspecified
    G51.0Bell's palsy
    I69.390Apraxia following cerebral infarction
    I69.391Dysphagia following cerebral infarction
    I69.398Other sequelae of cerebral infarction

    Showing 1–10 of 24

    Related Payer Policy Updates

    Specialty: Durable Medical Equipment (DME)1 / 3

    10 rows

    PolicyPayerEffective Date
    Hospital Beds Corporate Medical Policybcbsvermont2027-01-01
    Continuous Passive Motion Devices with Remote Monitoring or Adaptive CapabilitiesBlue Cross Blue Shield - Rhode Island2026-12-01
    Bone Growth StimulatorsMass General Brigham Health Plan2026-12-01
    Prior Authorization for Durable Medical Equipment (DME)Blue Cross Blue Shield - Rhode Island2026-12-01
    Patient Liftsuniverahealthcare2026-11-16
    Medical Car SeatsCareSource2026-11-01
    Non-Invasive Home Mechanical Ventilation (E0466)CareSource2026-11-01
    Digestive Enzyme Cartridgeshusky_health2026-11-01
    Hearing Aids and Assistive Listening Devices for Children Enrolled in Birth-to-Threehusky_health2026-11-01
    Home Non-Invasive Positive Pressure Ventilation (NIPPV) Devices for Respiratory Insufficiency and Failureexcellus_health_plan_inc2026-10-15

    Related Codes

    HCPCS-E0100-CANE-DURABLE-MEDICAL-EQUIPMENT-AMBULATION

    HCPCS E0100: Cane, Adjustable or Fixed, With Tip

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

    HCPCS Level II E0105: Cane, Quad or Three-Prong, Includes Tips

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

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

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

    HCPCS Level II E0111: Crutch, Forearm, With Tip and Handgrips

    HCPCS-E0112-UNDERARM-WOOD-CRUTCHES-PAIR

    HCPCS Level II E0112: Underarm Wooden Crutches, Pair

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

    HCPCS Level II E0113: Crutch Underarm, Wood, Adjustable or Fixed

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

    HCPCS Level II E0114: Underarm (Axillary) Crutches, Adjustable or Fixed, Pair

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

    HCPCS E0116: Underarm Crutch, Non-Wood, Adjustable/Fixed with Pad

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

    HCPCS Level II E0117: Crutch, Underarm, Articulating, Spring-Assisted

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

    HCPCS E0118: Crutch Substitute, Lower Leg Platform

    Showing 1–10 of 670

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    Frequently Asked Questions

    References

    1. 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. 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. 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.
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