CPT® Code 48500

Marsupialization of a pancreatic cyst is a surgical procedure aimed at treating fluid-filled cysts located in the pancreas. This procedure involves creating a pouch from the cyst itself, which facilitates the drainage of its contents to the exterior of the body. The term "marsupialization" refers to the technique of opening the cyst and suturing its edges to the skin, allowing for continuous drainage. The surgery typically requires either a subcostal incision, which is made beneath the rib cage, or a midline incision along the abdomen, providing access to the pancreas. During the procedure, the surgeon visualizes the pancreas and inspects the cyst to confirm its characteristics. Fluid is aspirated from the cyst to ensure it is indeed a fluid-filled cyst, and a biopsy specimen may be taken to rule out any potential malignancy. Following the aspiration, the anterior wall of the cyst is incised, allowing for the extraction of fluid and debris. The anterior wall is then resected, and a pouch is fashioned to facilitate ongoing drainage. The edges of this pouch are sutured to the skin, ensuring that the cyst can drain effectively and reducing the risk of complications associated with cystic lesions in the pancreas.