CPT code 43240 represents an advanced therapeutic upper endoscopic procedure to drain pancreatic pseudocysts, often performed with endoscopic ultrasound guidance and placement of a transmural drainage catheter or stent. Nationally, this code captures a specialized intervention that intersects gastroenterology, interventional endoscopy, and hospital outpatient care, with implications for procedural coding accuracy, device utilization, and resource intensity.

Key payers in typical analyses include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what the code represents, clinical context for when the procedure is used, and the components that influence billing and coverage decisions. The publication outlines common service settings, clinical rationale for drainage and stent placement, and operational considerations tied to endoscopic ultrasound and transmural access. It also identifies where data is not available in the input provided, including payer-specific reimbursement rates, associated taxonomies, and ICD-10 diagnoses.

This summary equips clinicians, billing professionals, and policy analysts with a clear, national-level understanding of CPT code 43240, what it covers clinically, and the topics to review further when evaluating reimbursement, clinical pathways, or compliance.