CPT code 47490 denotes a percutaneous, minimally invasive procedure to create an opening in the gallbladder and place a drainage catheter. This intervention is commonly used for decompression or drainage of an acutely inflamed or obstructed gallbladder when endoscopic or surgical approaches are contraindicated or deferred. Nationally, the code matters because it represents a critical interventional radiology service that can reduce morbidity in high-risk surgical patients and inform reimbursement and access for acute biliary care.

Key payers covered in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find national benchmarks on utilization and payment patterns, a concise clinical context for appropriate use, and recent policy updates affecting coverage and site-of-service considerations. The publication outlines coding nuances tied to procedural reporting, common service settings such as hospital outpatient departments and interventional radiology suites, and implications for billing workflows. Data not available in the input will be noted where applicable.