CPT code 43290 represents endoscopic placement of an intragastric (gastric) balloon via a flexible endoscope introduced through the mouth to support weight-loss efforts. As a minimally invasive bariatric intervention, this code captures a procedure that is increasingly relevant to obesity management and device-based weight-loss strategies. Nationally, accurate coding for such procedures affects coverage determinations, facility utilization, and quality tracking for bariatric services.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context, typical sites of service, common modifiers used with this service, and what is available about payer coverage patterns. The publication outlines benchmarking information where available, relevant policy considerations, and coding nuances that influence claims adjudication. Data not available in the input is explicitly noted where applicable.

This summary is intended for clinicians, coding professionals, and payer policy analysts seeking a concise briefing on CPT code 43290, its clinical role in endoscopic bariatric care, and the payment-policy landscape at a national level.