CPT code 95955 represents intraoperative electroencephalographic monitoring performed during nonintracranial surgeries, commonly used in procedures such as cardiac surgery and carotid stenting to detect cerebral ischemia or seizures. This service is clinically significant because it can identify acute neurologic changes in real time, informing intraoperative management and potentially affecting neurologic outcomes. Nationally, the use of intraoperative EEG monitoring is relevant across hospital-based surgical programs, cardiovascular surgery services, and vascular intervention suites.

Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for CPT code 95955, typical settings where the service is delivered, and what to expect in coverage and coding practice. The publication outlines benchmarks and policy considerations relevant to payers and hospital billing teams, highlights common billing and documentation themes, and summarizes typical modifier usage where applicable. Data not available in the input for payer-specific rates or utilization metrics will be noted as such.

This piece is intended for national audiences including hospital administrators, billing professionals, and clinical leaders seeking a clear summary of the code’s clinical purpose, typical sites of service, and the payer environment impacting claims and coverage.