CPT code 49407 covers image-guided catheter drainage performed via a transvaginal or transrectal approach into the peritoneal or retroperitoneal space. The procedure involves imaging guidance to traverse the vaginal or rectal wall, place a catheter into the target space, and drain fluid collections. This code is relevant nationally for hospitals and interventional radiology practices that manage pelvic and retroperitoneal fluid collections and abscesses where minimally invasive drainage is indicated.

Key payers addressed in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical context for the procedure, typical sites of service, and common billing considerations tied to this type of image-guided drainage. The publication also summarizes benchmark payment perspectives, common modifiers reported with this service, and implications for coding compliance and documentation.

The report equips coding professionals, compliance officers, and clinical billing staff with the operational and policy context needed to classify and bill CPT code 49407 correctly, understand payer coverage patterns at a national level, and align documentation practices with the procedural description for accurate reporting.