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CPT 92520: Voice and Laryngeal Function Testing
CPT code 92520 denotes objective testing of laryngeal function using aerodynamic and acoustic measures to evaluate voice disorders. Nationally, this code is used in outpatient and specialty voice clinics to document diagnostic assessment of dysphonia, vocal cord dysfunction, and other voice disturbances that require quantifiable physiologic data. Accurate coding supports clinical decision-making, care coordination between otolaryngology and speech-language services, and claims adjudication.
Key payers examined include Aetna, Blue Cross Blue Shield, Cigna Health, United Healthcare, and Medicare. The publication outlines payer coverage themes, common clinical contexts linked to the code, and relationships to adjacent speech and voice evaluation codes.
Readers will find a concise clinical context for use of 92520, guidance on typical service settings, and a summary of associated diagnoses that commonly justify the test (for example, dysphonia and vocal cord pathology). The piece also highlights related CPT evaluations for speech, language, and behavioral voice analysis to help clinicians and billing staff distinguish among services. The objective is to provide a practical reference for coding and clinical documentation that supports appropriate utilization and payer communication.
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Billing Code Overview
CPT code 92520 describes an assessment of laryngeal function using aerodynamic testing and acoustic testing to evaluate the presence and characteristics of a voice disorder. The procedure focuses on objective measurements of voice production, including airflow, subglottic pressure, phonation, and acoustic voice parameters to assess laryngeal performance and identify abnormalities.
Service Type: Voice and laryngeal function testing
Typical Site of Service: Outpatient clinic or specialized voice laboratory, commonly performed in otolaryngology or speech-language pathology settings where aerodynamic and acoustic equipment are available.
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.