CPT code 61720 represents a stereotactic neurosurgical lesioning procedure of deep brain structures, specifically the globus pallidus or thalamus, performed using a three-dimensional coordinate system for precise localization. Nationally, this code captures a specialized functional neurosurgery service used in management of select movement and neuropsychiatric disorders and is relevant for hospitals, neurosurgical centers, and payer medical policy.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication presents clinical context for the procedure, common sites of service, and the billing considerations tied to stereotactic lesioning. Readers will find benchmarks and summary-level guidance on coding scope, typical service settings, and the kinds of clinical scenarios that invoke use of this code. It also outlines where input data are not available for this code (for example, specific ICD-10 pairings, payer-specific coverage rules, and associated taxonomies) as provided in the source.

This summary is intended to inform coding professionals, revenue cycle managers, and policy analysts about the clinical definition, typical use settings, and payer landscape relevant to CPT code 61720 without offering clinical recommendations.