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    OpenPayerBilling CodesOtorhinolaryngologic Evaluation and ProceduresCPT cpt-92520-voice-laryngeal-function-testing
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    CPT 92520: Laryngeal Function and Voice Assessment

    Medicare pays $95 and commercial payers pay $194 on average nationally for this procedure.

    CPT code 92520 describes aerodynamic and acoustic testing used to assess laryngeal function and evaluate suspected voice disorders; this outpatient diagnostic service typically involves quantitative airflow and sound measurements performed in a clinic or speech pathology/otolaryngology office to characterize vocal efficiency and identify physiologic contributors to dysphonia.

    For related coverage guidance, see recent payer policy updates: Clinical Review Criteria Intraoperative Neurophysiological Monitoring (IONM), Remote Electrical Neuromodulation for Migraines (i.e., Nerivio®), Lumbar Microdiscectomy.

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    National Reimbursement Benchmarks

    Medicare’s mean allowed amount for CPT 92520 is $94.70, which sits below BUCA’s average commercial mean of $194.00; this positions BUCA roughly $99.30 higher than Medicare on average, reflecting a substantial uplift in commercial pricing versus the federal program. Blue Cross Blue Shield and UnitedHealth Group both have mean rates above Medicare as well, while Aetna and Cigna trend closer to or below Medicare’s mean, indicating a mix of commercial positioning relative to the Medicare baseline.

    Dispersion measured as the interquartile range (P75 minus P25) is tightest for Medicare at $11.00 and for Aetna at $40.00, suggesting more clustered allowed amounts there. The widest dispersion appears for Blue Cross Blue Shield at $108.10 and BUCA at $86.80, with UnitedHealth Group ($66.80) and Cigna ($70.00) in between; wider IQRs indicate greater variability in mid‑range commercial reimbursement.

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    National Payer Mean Reimbursement Rates

    State Reimbursement Rates

    State: Alaska1 / 51

    Rate by payer

    Clinical & Coding Specifications

    Clinical Context

    A 45-year-old primary school teacher presents to an otolaryngology clinic with 3 months of progressive hoarseness, vocal fatigue, and intermittent breathiness. The provider obtains a focused history including onset, voice use, prior voice therapy, smoking, reflux symptoms, and neurologic complaints. A physical exam includes head and neck and laryngeal visualization. Suspicion for a voice disorder such as vocal nodules, unilateral vocal fold paresis, or chronic dysphonia prompts objective voice assessment using aerodynamic and acoustic testing (CPT 92520).

    The clinical workflow: the patient is referred by primary care or self-referred for voice evaluation. An otolaryngologist or speech-language pathologist with voice specialty performs or orders aerodynamic measures (e.g., maximum phonation time, subglottal pressure estimates) and acoustic analysis (e.g., fundamental frequency, jitter, shimmer, noise-to-harmonics ratio) to quantify voice function. Results are integrated with laryngoscopy findings and used to confirm diagnosis (for example J38.2 vocal nodules or R49.0 dysphonia), guide management (voice therapy, medical treatment, or surgical referral), and document baseline for progress monitoring. Testing typically occurs in an outpatient clinic or specialized voice laboratory during a single visit lasting 30–60 minutes and may be billed as CPT 92520 when aerodynamic and acoustic testing are performed to assess laryngeal function.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure

    Related Modifiers

    7 rows

    ModifierDescriptionWhen to Use
    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…
    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…
    57CPT® modifier -57 (“Decision for Surgery”) is appended to an Evaluation and Management (E/M) service when that encounter results in the initial decision to perform a major surgery (a procedure with a…- Use modifier 57 when an E/M service provided by the same provider (or same tax ID) on the day of or the day before a major surgical procedure (90‑day global period) results in the initial decision…
    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…
    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…
    95Modifier 95 indicates that a service was provided via synchronous, real‑time audio‑video telehealth rather than in‑person. Per CMS, AAPC and professional associations, append modifier 95 to claim…- Use modifier 95 to indicate a service was furnished via synchronous, real‑time audiovisual telehealth (a live audio‑video conference between patient and provider) rather than in‑person. - Pair…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207Y00000X
    231H00000X
    207K00000X
    2279C0205X
    284300000X
    243U00000X
    237600000X
    225CA2400X

    Related ICD-10-CM Codes

    26 rows

    ICD-10-CM CodeDescription
    E86.0Dehydration
    F50.9Eating disorder, unspecified
    F98.5Adult onset fluency disorder
    G47.31Primary central sleep apnea
    G52.2Disorders of vagus nerve
    I95.9Hypotension, unspecified
    J35.1Hypertrophy of tonsils
    J35.8Other chronic diseases of tonsils and adenoids
    J38.00Paralysis of vocal cords and larynx, unspecified
    J38.1Polyp of vocal cord and larynx

    Showing 1–10 of 26

    Related Payer Policy Updates

    Specialty: Neurology/Neurosurgery1 / 3

    10 rows

    PolicyPayerEffective Date
    Clinical Review Criteria Intraoperative Neurophysiological Monitoring (IONM)Kaiser Permanente2027-01-01
    Remote Electrical Neuromodulation for Migraines (i.e., Nerivio®)bcbsvermont2026-11-01
    Lumbar Microdiscectomyuniverahealthcare2026-10-15
    Artificial Cervical Intervertebral Discuniverahealthcare2026-10-15
    Lumbar Decompressionuniverahealthcare2026-10-15
    Responsive Neurostimulation for Focal EpilepsyPremera Bluecross2026-10-14
    Intraoperative MonitoringProvidence Health Plan2026-10-01
    Intraoperative MonitoringProvidence Health Plan2026-10-01
    High-Intensity Focused UltrasoundMass General Brigham Health Plan2026-10-01
    Vagal Nerve StimulationAmbetter Nevada2026-10-01

    Related Codes

    CPT-92521-SPEECH-FLUENCY-EVALUATION

    CPT 92521: Speech Fluency Evaluation by SLP

    CPT-92522-SPEECH-SOUND-PRODUCTION-EVALUATION

    CPT 92522: Speech Sound Production Evaluation

    CPT-92523-SPEECH-SOUND-PRODUCTION-EVALUATION

    CPT 92523: Speech Sound Production Evaluation

    CPT-92524-VOICE-QUALITY-NASALITY-VOCAL-BEHAVIOR-EVALUATION

    CPT 92524: Evaluation of Voice Quality, Nasality, and Vocal Behavior

    CPT-92526-DYSPHAGIA-EVALUATION-AND-TREATMENT

    CPT 92526: Evaluation and Treatment of Swallowing Disorder

    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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    92521Evaluation of speech fluency (eg, stuttering, cluttering)Typically unrelated to laryngeal aerodynamic/acoustic testing but may be performed by the speech-language pathologist in the same evaluation episode for comprehensive speech assessment.
    92522Evaluation of speech sound production (eg, articulation, phonological process, apraxia, dysarthria)May be performed in the same clinical visit when coexisting articulation disorders are suspected; complements voice testing when overall speech production is assessed.
    92523With evaluation of language comprehension and expression (eg, receptive and expressive language)Used when language assessment is performed in addition to voice testing during a broad speech-language evaluation.
    92524Behavioral and qualitative analysis of voice and resonanceComplements CPT 92520 by providing perceptual and behavioral voice assessment; often performed by speech-language pathologists during the same visit.
    92526Oral function therapyRepresents therapy interventions that may follow diagnostic testing with CPT 92520 when voice therapy targeting oral and laryngeal function is indicated.