CPT code 62161 captures endoscopic intracranial procedures that remove adhesions or cysts from the septum pellucidum or ventricular system and that include placement, replacement, or removal of a ventricular catheter for shunting or external drainage. This code is clinically important because it covers minimally invasive neurosurgical approaches to treat intraventricular cysts, obstructive processes, and shunt-related cerebrospinal fluid management, procedures that can reduce morbidity compared with open craniotomy in selected patients.

Key payers considered in this national overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise summary of the clinical setting and service type, typical site-of-service patterns, and the common modifier set associated with reporting. The publication outlines where CPT code 62161 fits within neurosurgical practice and billing workflows and provides context for utilization and coverage considerations at a national level.

This report does not provide clinical recommendations or state-specific rules. Data not available in the input is noted where applicable. The content is intended to inform policy, coding, and revenue teams about the clinical scope and billing context of CPT code 62161.