CPT code 92550 represents a bundled diagnostic audiology service that combines tympanometry and acoustic reflex threshold measurement when both tests are performed by the provider. This combined testing provides objective evaluation of middle-ear function and reflex pathways relevant to otologic and audiologic conditions, making it a common code in outpatient ENT and audiology settings nationwide. The code matters for national billing and clinical practice because it standardizes reporting for two commonly paired diagnostic procedures and affects coding, documentation, and payment workflows across major payers.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical purpose of the code, typical sites of service, and the payer landscape covered. The publication provides benchmarks for utilization and payment where available, summarizes relevant policy updates that affect coverage and billing, and contextualizes the code within clinical workflows for audiology and otolaryngology practices. Data not available in the input is noted where applicable; the primary focus is on clarifying what CPT code 92550 captures and what health care administrators and billing professionals need to know about its clinical and billing role nationwide.