CPT® Code 48511

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External drainage of a pancreatic pseudocyst is a medical procedure aimed at alleviating complications associated with fluid accumulation in the pancreas. A pancreatic pseudocyst is a fluid-filled sac that can develop in the abdomen, often as a result of pancreatitis or pancreatic injury. The procedure can be performed using two techniques: open drainage, which involves a surgical incision to access the pancreas directly, or percutaneous drainage, which is a minimally invasive approach that utilizes imaging guidance to locate and drain the cyst. In the percutaneous method, a small incision is made on the skin, and imaging techniques such as fluoroscopy, ultrasound, or CT scans are employed to accurately identify the cyst. Once located, a needle is inserted to aspirate the fluid, confirming the cyst's nature as fluid-filled. Following this, a guidewire is placed, allowing for the insertion of a drainage catheter to facilitate the continuous removal of fluid. This procedure is essential for preventing complications such as infection, abdominal pain, and further pancreatic damage, and it is typically performed in a hospital setting by a qualified healthcare professional.