CPT® Code 47530

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The procedure described by CPT® Code 47530 involves the revision and/or reinsertion of a transhepatic tube, which is a type of catheter used to drain bile from the liver. This procedure is typically necessary when a transhepatic tube, such as a T-tube or U-tube, has become dislodged or obstructed. Dislodgement can occur due to various reasons, including patient movement or complications during treatment, while obstruction may result from sediment buildup within the tube. In cases of obstruction, the physician may utilize a guidewire and/or torque cables to navigate through the tube, aiming to dislodge any sediment that may be causing the blockage. Additionally, the physician may perform irrigation or aspiration to clear the tube of any obstructive material. If the tube has been dislodged, the physician will insert a straight or steerable biliary catheter through the existing tube or skin tract, carefully manipulating the tube back into its correct position. To confirm the proper placement of the catheter within the bile duct and to ensure that the bile duct remains patent, contrast material is injected following the revision or reinsertion. It is important to note that the procedure includes both the revision or reinsertion of the catheter and the contrast injection, while any radiographic supervision and interpretation required during the procedure are reported separately.