CPT® Code 43277

Endoscopic retrograde cholangiopancreatography (ERCP); with trans-endoscopic balloon dilation of biliary/pancreatic duct(s) or of ampulla (sphincteroplasty), including sphincterotomy, when performed, each duct

The procedure described by CPT® Code 43277 refers to Endoscopic Retrograde Cholangiopancreatography (ERCP) with trans-endoscopic balloon dilation of biliary or pancreatic ducts, or of the ampulla, which may include sphincterotomy when performed. This advanced endoscopic technique involves the insertion of an endoscope through the esophagus, stomach, and into the duodenum, specifically targeting the ampulla of Vater, where the pancreatic duct and common bile duct converge. The procedure is primarily utilized to diagnose and treat conditions affecting the biliary and pancreatic systems, such as strictures, obstructions, or stones. During the ERCP, a catheter is introduced through the endoscope to cannulate the ampulla of Vater, allowing for the injection of contrast material. This contrast enhances the visualization of the biliary tract, gallbladder, and pancreas on imaging studies. If any narrowing is detected at the ampulla or within the ducts, a balloon catheter can be employed to dilate the affected area, thereby facilitating improved drainage of bile or pancreatic secretions. The procedure is comprehensive, as it may involve multiple dilations and assessments of the ducts, ensuring that any obstructions are adequately addressed. Each duct that undergoes dilation during the procedure is reported separately using the designated CPT® code.