CPT code 31510 represents a diagnostic laryngoscopy with biopsy: a clinician visualizes the larynx using a laryngeal mirror and obtains tissue samples from suspicious lesions. This procedure is central to the evaluation of voice changes, suspected laryngeal cancer, and other structural or mucosal abnormalities of the voice box, and it influences clinical decision‑making by providing tissue for definitive histologic diagnosis. Nationally, the code is relevant across outpatient, ambulatory surgery, and hospital outpatient settings.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find benchmarks for utilization and reimbursement patterns, discussion of coding and documentation considerations, and the clinical context that informs appropriate use. The summary provides guidance on where this service typically occurs, the primary clinical indications, and common modifiers that appear with the procedure (modifier list: Data not available in the input.).

The publication equips billing analysts, compliance officers, and clinical leaders with the coding definition, service expectations, and national payer context for CPT code 31510, supporting accurate claims submission and alignment of clinical documentation with coding requirements. Data not available in the input for certain elements such as associated taxonomies, ICD‑10 diagnoses, and payer-specific fee schedules.