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    v1.0.30
    OpenPayerBilling CodesOtorhinolaryngologic Evaluation and ProceduresCPT cpt-92521-speech-fluency-evaluation
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    CPT 92521: Speech Fluency Evaluation by SLP

    Medicare pays $138 and commercial payers pay $231 on average nationally for this procedure.

    CPT code 92521 describes an evaluation by a speech–language pathologist of a patient’s speech fluency to assess disorders such as stuttering or cluttering; the service is an SLP diagnostic evaluation (speech fluency assessment) typically delivered in an outpatient clinic or office setting and may include history-taking, standardized and observational fluency measures, and a report of findings.

    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 rate for CPT 92521 is $138, which sits well below the BUCA commercial average of $230.8, indicating that commercial arrangements captured by BUCA reimburse at roughly $92.8 higher on average than Medicare for this service. That gap highlights a meaningful split between Medicare payment policy and commercial market pricing for this code.

    Dispersion (P75 minus P25) varies notably across payers: Blue Cross Blue Shield shows the widest interquartile spread at $125.8 (P75 $344.3 minus P25 $208.5), reflecting substantial regional or contractual variation, while Aetna is among the tightest with a spread of $35.0 (P75 $119.9 minus P25 $84.4). UnitedHealth Group and Cigna show intermediate dispersion at $112.6 and $131.2 respectively, and BUCA’s interquartile span is $117.2, placing it near the middle of the range.

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    National Payer Mean Reimbursement Rates

    State Reimbursement Rates

    State: Alaska1 / 51

    Rate by payer

    Clinical & Coding Specifications

    Clinical Context

    A 9-year-old child is referred by their pediatrician to a speech–language pathologist (SLP) for concerns about persistent stuttering that has worsened during classroom participation. The child’s parent reports frequent repetitions, prolongations, and noticeable speech blocks interfering with oral reading and social interactions. The SLP performs an outpatient evaluation in an ambulatory clinic dedicated to pediatric speech services. The visit includes a case history, direct observation of conversational speech, standardized fluency measures, syllable and word-level sampling, and caregiver and teacher questionnaires. Findings are documented in a diagnostic report with recommended goals, severity rating, and a plan for therapy sessions or referral.

    Typical workflow:

    • Referral received from primary care or school-based personnel.

    • Previsit record review of medical history, prior speech assessments, and educational reports.

    • In-person or telehealth appointment with the SLP for a focused fluency evaluation using CPT 92521.

    • Administration of fluency-specific tasks (conversation, reading, structured passages, and rapid naming) and scoring using validated fluency measures.

    • Generation of a written evaluation report with diagnosis, functional impact, and recommended treatment frequency (e.g., individual speech therapy CPT 92507) or multidisciplinary referrals.

    • Scheduling follow-up therapy sessions and communication with family and referring clinician regarding results and plan.

    Related Modifiers

    7 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…
    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…
    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…
    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
    235Z00000X
    2355S0801X
    2085N0700X
    211D00000X
    207VX0000X
    261QM1101X
    207YS0123X
    282NC0060X

    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-92520-VOICE-LARYNGEAL-FUNCTION-TESTING

    CPT 92520: Laryngeal Function and Voice Assessment

    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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    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.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    92522Evaluation of speech sound productionMay be ordered concurrently when both fluency and articulation concerns are present; performed in the same comprehensive speech assessment or separate visits.
    92523Evaluation of speech sound production with evaluation of language comprehension and expressionUsed when speech sound evaluation is combined with language testing; complements a fluency evaluation if language delays are suspected.
    92524Behavioral and qualitative analysis of voice and resonanceOrdered when voice or resonance issues are noted during fluency testing or differential diagnosis requires voice assessment.
    92507Treatment of speech, language, voice, communication, and/or auditory processing disorderUsed for subsequent therapy sessions following evaluation with 92521; documents ongoing direct treatment based on recommendations from the evaluation.