CPT® Code 49406

Image-guided fluid collection drainage by catheter (eg, abscess, hematoma, seroma, lymphocele, cyst); peritoneal or retroperitoneal, percutaneous

The CPT® Code 49406 refers to the procedure of image-guided fluid collection drainage by catheter, specifically targeting fluid accumulations such as abscesses, hematomas, seromas, lymphoceles, or cysts. This procedure is performed in the peritoneal or retroperitoneal cavities and is executed using a percutaneous approach. The physician utilizes imaging techniques, including fluoroscopy, ultrasound, or computed tomography, to accurately locate the fluid collection within various anatomical structures, including the digestive, respiratory, urogenital, or endocrine systems, as well as in the spleen, heart, or great vessels. During the procedure, a catheter with a sheath is carefully introduced into the cavity containing the fluid. This involves passing the catheter through the organ that houses the fluid collection and into the fluid-filled space. Once access is achieved, the fluid is drained, and the cavity may be flushed with sterile saline or an antibiotic solution to ensure the removal of all pus, blood, and other fluids. Depending on the clinical situation, the catheter may either be removed after the drainage is complete or left in place for continuous drainage. This procedure is essential for managing fluid collections that may cause discomfort or complications if left untreated.