CPT® Code 74260

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Duodenography, hypotonic, is a specialized imaging procedure designed to visualize the duodenum and the head of the pancreas. This technique employs fluoroscopy, which utilizes x-ray technology to create real-time images of internal structures. During the procedure, a contrast material, typically barium, is introduced into the duodenum to enhance the visibility of these anatomical areas. The fundamental principle behind x-ray imaging is the differential absorption of x-rays by various tissues, which results in the formation of two-dimensional images. The duodenography procedure is particularly valuable for diagnosing lesions and providing detailed anatomical information about the duodenum and pancreatic head. To perform the procedure, a tube is inserted through the nose or mouth and carefully guided into the duodenum under fluoroscopic guidance. To ensure optimal imaging conditions, medication is administered to inhibit peristalsis, allowing the contrast material to be infused into the duodenum. This overfilling creates pressure against the pancreatic head, facilitating better visualization of the organ. Throughout the fluoroscopy, the radiologist can observe the function of the organs in real-time and capture spot films as necessary. At the conclusion of the procedure, additional medication may be given to stimulate peristalsis, promoting the movement of the contrast material through the gastrointestinal tract. This comprehensive approach to imaging is what characterizes hypotonic duodenography.