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    v1.0.30
    OpenPayerBilling CodesTemporary National Codes (Non-Medicare)HCPCS hcpcs-level-ii-s9476-vestibular-rehabilitation-program-non-physician-per-diem
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    HCPCS Level II S9476: Vestibular Rehabilitation Program, Per Diem

    HCPCS Level II code S9476 describes a vestibular rehabilitation program delivered by a non-physician provider and billed per diem, representing therapeutic services focused on balance, vertigo, and vestibular dysfunction typically provided in outpatient rehabilitation or therapy clinic settings; the code denotes a daily unit of service for structured vestibular therapy rather than individual procedure-level encounters.

    For related coverage guidance, see recent payer policy updates: Ambulance and Medical Transport Services (Ground, Air and Water) Corporate Medical Policy, Emergency Air/Water Ambulance Services Medical Guideline, Non-Emergent Ambulance Services.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A 68-year-old patient presents to an outpatient physical therapy clinic with progressive imbalance, recurrent falls, and vertigo symptoms over several months following a left-sided vestibular neuritis. The patient has difficulty with head movement tolerance, dynamic gait activities, and visual dependency when walking in crowds. The non-physician vestibular therapist performs an initial evaluation that includes symptom history, functional balance and gait assessments (Timed Up and Go, Dynamic Gait Index), and focused vestibular testing (e.g., bedside head impulse observation, Dix–Hallpike maneuver as indicated). A plan of care is established for a structured vestibular rehabilitation program delivered by a non-physician provider (physical therapist) on a per diem basis covering individualized therapeutic exercises, habituation and gaze-stability training, balance and gait retraining, patient education, and home exercise progression. Typical workflow: referral from primary care or ENT → evaluation visit with documentation of baseline function and goals → scheduled per-diem treatment sessions billed under S9476 for each day of service provided by the non-physician vestibular rehabilitation provider → periodic re-evaluation every 4–6 weeks with outcome measures and plan updates until goals are met or discharge. Common payer interactions include authorization checks, application of applicable modifiers for unusual circumstances, and coordination with durable medical equipment or ancillary services if needed.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    97110Therapeutic exercises to develop strength and endurance, range of motion and flexibility (per 15 minutes)Often used in the same therapy plan to address strength deficits contributing to imbalance; billed in timed units alongside per-diem vestibular services when applicable
    97112Neuromuscular reeducation of movement, balance, coordination, kinesthetic sense, posture, and proprioception (per 15 minutes)Commonly provided during vestibular rehab to retrain balance and coordination; complements S9476 when payers require CPT-based billing for timed services
    97530Therapeutic activities, direct (one-on-one) patient contact (per 15 minutes)Used for functional task practice (transfers, gait tasks) that supports vestibular rehabilitation goals and may be billed in addition to or in coordination with per-diem services depending on payer rules
    97162Physical therapy evaluation, moderate complexityUsed for initial or follow-up evaluations documenting complexity and establishing the plan of care that informs per-diem vestibular sessions
    97165Occupational therapy evaluation, low complexityUsed when an occupational therapy evaluation for functional impact of vestibular dysfunction is performed as part of the comprehensive rehabilitation plan
    92541Vestibular function testing; electronystagmography (ENG) or videonystagmography (VNG) spontaneous nystagmus, positional nystagmus, and caloric testingDiagnostic testing often completed by ENT or audiology prior to or during the rehabilitation program to define deficits addressed by S9476

    Related Modifiers

    10 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…
    80CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…
    82Modifier 82 is appended to a surgical CPT code to indicate that an attending physician acted as an assistant because a qualified resident surgeon was unavailable. In teaching hospitals it documents…- When to use: Append modifier 82 in teaching-hospital settings to indicate a physician served as an assistant surgeon because a qualified resident surgeon was unavailable (includes situations where…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    225100000X
    225X00000X
    208D00000X
    207WX0200X
    1835S0206X
    207RH0003X
    344800000X
    2083P0500X

    Related Payer Policy Updates

    Specialty: Emergency & Medical Transportation1 / 3

    10 rows

    PolicyPayerEffective Date
    Ambulance and Medical Transport Services (Ground, Air and Water) Corporate Medical Policybcbsvermont2026-10-01
    Emergency Air/Water Ambulance Services Medical GuidelineWPS Health Insurance2026-10-01
    Non-Emergent Ambulance ServicesConnectiCare2026-09-11
    Fixed Wing Air Ambulance TransportCigna2026-08-15
    Air AmbulanceAmbetter Georgia2026-08-01
    Ambulance Services (for New Mexico Only)UnitedHealthcare2026-08-01
    Ambulance Services (for Tennessee Only)UnitedHealthcare2026-08-01
    Clinical Policy: Air AmbulanceAmbetter Nevada2026-08-01
    Air AmbulanceCentene2026-08-01
    Clinical Policy: Air AmbulanceArizona Complete Health2026-08-01

    Related Codes

    HCPCS-LEVEL-II-S2152-SOLID-ORGAN-TRANSPLANTATION-GLOBAL-CARE

    HCPCS Level II S2152: Solid Organ Procurement and Transplantation

    HCPCS-LEVEL-II-S2266-INDUCED-ABORTION-29-TO-31-WEEKS

    HCPCS Level II S2266: Induced Abortion, 29 to 31 Weeks

    HCPCS-LEVEL-II-S3630-EOSINOPHIL-COUNT-BLOOD-DIRECT

    HCPCS Level II S3630: Eosinophil Count, Blood, Direct

    HCPCS-LEVEL-II-S4017-INCOMPLETE-ART-CYCLE-CANCELLED-PRIOR-TO-STIMULATION

    HCPCS Level II S4017: Incomplete Cycle — Cancelled Prior to Stimulation

    HCPCS-LEVEL-II-S8055-ULTRASOUND-GUIDANCE-MULTIFETAL-REDUCTION-TC

    HCPCS Level II S8055: Ultrasound Guidance for Multifetal Pregnancy Reduction

    HCPCS-LEVEL-II-S8940-EQUESTRIAN-HIPPOTHERAPY-PER-SESSION

    HCPCS Level II S8940: Equestrian/Hippotherapy, Per Session

    HCPCS-LEVEL-II-S9024-PARANASAL-SINUS-ULTRASOUND

    HCPCS Level II S9024: Paranasal Sinus Ultrasound

    HCPCS-LEVEL-II-S9366-HOME-TPN-1-2L-PER-DAY-HOME-INFUSION

    HCPCS Level II S9366: Home Infusion TPN, 1–2 L/day

    HCPCS-LEVEL-II-S9446-GROUP-PATIENT-EDUCATION-NON-PHYSICIAN

    HCPCS S9446: Patient Education, Non-Physician Provider, Group, Per Session

    HCPCS-LEVEL-II-S9451-EXERCISE-CLASS-NON-PHYSICIAN-SESSION

    HCPCS S9451: Exercise Classes, Non-Physician Provider, Per Session

    Showing 1–10 of 532

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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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