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    v1.0.30
    OpenPayerBilling CodesOtolaryngologic and Binocular Microscopy ProceduresCPT cpt-92504-microscopic-ear-examination-otoscopy
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    CPT 92504: Otoscopic Examination with Microscope

    Medicare pays $30 and commercial payers pay $26 on average nationally for this procedure.

    CPT code 92504 describes an otoscopic diagnostic procedure in which a provider uses a microscope to directly visualize the ear canal and tympanic membrane; the examination may include inspection of the nose when performed for diagnostic clarity. This service is an instrumented otoscopic/microscopic ear examination typically classified as a diagnostic otology procedure and is usually performed in an office or outpatient clinic setting for evaluation of ear symptoms such as pain, hearing changes, discharge, or suspected foreign body or infection.

    For related coverage guidance, see recent payer policy updates: Office-based Laryngeal Procedures, Injectable Dermal Fillers and Bulking Agents (for New Mexico Only), Injectable Dermal Fillers and Bulking Agents (for Kentucky Only).

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    National Reimbursement Benchmarks

    Nationally, Medicare's mean allowed rate of $29.9 sits slightly above BUCA's commercial average of $25.6, indicating that Medicare reimburses modestly more on average for CPT 92504 than this pooled commercial benchmark. The median for Medicare is $29 with an interquartile span concentrated around $28–$31, while BUCA's median is $22.2 with a wider 25th–75th spread of $13.0–$33.6, reflecting more variance in commercial arrangements.

    Examining dispersion (P75 minus P25) highlights differences in rate consistency: Blue Cross Blue Shield shows a tight interquartile range of $15.4, Aetna is $23.5, Cigna $28.6, UnitedHealth Group $25.8, and BUCA $20.6; Medicare’s interquartile span is narrowest at $3. These figures identify Medicare as the tightest payer distribution and Cigna as the widest among the listed payers.

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    National Payer Mean Reimbursement Rates

    State Reimbursement Rates

    State: Alaska1 / 51

    Rate by payer

    Clinical & Coding Specifications

    Clinical Context

    A 54-year-old patient presents to an otolaryngology clinic with unilateral aural fullness, intermittent hearing changes, and tinnitus. The provider performs a diagnostic microscopic ear examination using an otologic microscope to directly visualize the external auditory canal and tympanic membrane and assess for impacted cerumen, otitis externa, tympanic membrane perforation, and middle ear effusion. The provider documents ear findings for each ear, irrigates or removes cerumen only if within the scope of the visit and documents the procedure performed. When visualization of the nasopharynx or nasal vestibule is clinically indicated (for example, to evaluate eustachian tube orifice or to assess sinonasal contributors to eustachian dysfunction), the provider may briefly inspect the nose with the microscope or a separate nasal speculum. Typical workflow includes focused history, otologic microscope exam, targeted procedural maneuvers (cerumen removal if coded separately), and ordering of adjunctive tests such as 92567 tympanometry or 92557 comprehensive audiometry when indicated. Typical sites of service are the otolaryngology clinic, ambulatory surgical center, or outpatient specialty clinic. The patient scenario often corresponds to diagnoses such as H61.23 impacted cerumen, H60.3 otitis externa, H90.3 sensorineural hearing loss, H93.19 tinnitus, or H81.13 benign paroxysmal vertigo, where direct microscopic visualization informs diagnosis and management planning.

    Related CPT Codes

    Related Modifiers

    8 rows

    ModifierDescriptionWhen to Use
    25CPT modifier 25 indicates that on the same day as another procedure or service, the same physician or other qualified health care professional provided a significant, separately identifiable…- When to apply: Use modifier 25 only on an E/M code to indicate the same provider delivered a significant, separately identifiable E/M service on the same day as another procedure or service — i.e.,…
    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…
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
    79Modifier 79 indicates a surgical procedure performed during the postoperative global period of a prior surgery that is unrelated to the original procedure. Per AMA/CPT and CMS guidance, it is…- Use modifier 79 when the same physician (or same‑specialty physician in the same group) performs a surgical procedure during the postoperative global period of a prior surgery and the new procedure…
    51Modifier –51 (Multiple Procedures) is used when the same provider performs multiple procedures in the same session to identify secondary, non‑exempt procedures and indicate payment reduction logic…- Use modifier -51 when the same provider performs multiple distinct procedures during the same patient encounter: report the highest‑valued procedure first (no modifier) and append -51 to…
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207Y00000X
    207YX0602X
    207YX0901X
    225600000X
    293D00000X
    125K00000X
    224L00000X
    242T00000X

    Related ICD-10-CM Codes

    21 rows

    ICD-10-CM CodeDescription
    B34.9Viral infection, unspecified
    H60.3
    H61.23Impacted cerumen, bilateral
    H81.10Benign paroxysmal vertigo, unspecified ear
    H81.13Benign paroxysmal vertigo, bilateral
    H90.3Sensorineural hearing loss, bilateral
    H91.90Unspecified hearing loss, unspecified ear
    H92.09Otalgia, unspecified ear
    H93.19Tinnitus, unspecified ear
    J00Acute nasopharyngitis [common cold]

    Showing 1–10 of 21

    Related Payer Policy Updates

    Specialty: Otorhinolaryngology (ENT)1 / 2

    10 rows

    PolicyPayerEffective Date
    Office-based Laryngeal ProceduresPremera Bluecross2026-10-06
    Injectable Dermal Fillers and Bulking Agents (for New Mexico Only)UnitedHealthcare2026-10-01
    Injectable Dermal Fillers and Bulking Agents (for Kentucky Only)UnitedHealthcare2026-10-01
    Hearing Aids and Devices Including Wearable, Bone-Anchored, and Semi-Implantable (for Indiana Only)UnitedHealthcare2026-10-01
    Otoacoustic Emissions Testing (for Oxford Only)UnitedHealthcare2026-10-01
    Injectable Dermal Fillers and Bulking AgentsUnitedHealthcare2026-10-01
    Injectable Dermal Fillers and Bulking AgentsUnitedHealthcare2026-10-01
    Sinus Surgeries and Interventions (for North Carolina Only)UnitedHealthcare2026-10-01
    Injectable Dermal Fillers and Bulking Agents (for Nebraska Only)UnitedHealthcare2026-10-01
    Injectable Dermal Fillers and Bulking Agents (for Kansas Only)UnitedHealthcare2026-10-01

    Related Codes

    CPT-92502-ENT-EXAMINATION-UNDER-GENERAL-ANESTHESIA

    CPT 92502: Diagnostic ENT Examination Under General Anesthesia

    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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    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.

    CPT Code
    Description
    Relationship to This Procedure
    92567Tympanometry (impedance testing)Objective assessment of middle ear compliance often ordered after microscopic ear exam when middle ear effusion or eustachian tube dysfunction is suspected
    92557Comprehensive audiometry threshold evaluation and speech recognitionPerformed when hearing loss or tinnitus is identified on exam to quantify hearing thresholds and speech discrimination
    69210Removal impacted cerumen requiring instrumentation, unilateralProcedural code for cerumen removal requiring instrumentation; may be performed same day if impaction prevents adequate microscopic visualization (report per payer rules)
    92552Pure tone audiometry (threshold); air onlyScreening or limited audiometry often used in initial workflow when full audiometry is not required