CPT® Code 0652T

Esophagogastroduodenoscopy, flexible, transnasal; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

A diagnostic transnasal esophagogastroduodenoscopy (EGD) is a procedure that utilizes a flexible endoscope to examine the upper gastrointestinal tract, specifically the esophagus, stomach, and duodenum. This procedure is performed through the nasal passage, allowing for a less invasive approach compared to traditional oral endoscopy. During the procedure, the physician can collect specimens through brushing or washing techniques, which may be necessary for further analysis of any abnormalities detected. The flexible endoscope is carefully introduced through the nose and navigated down the esophagus, where various anatomical structures such as the velopharyngeal closure, base of the tongue, and hypopharynx are evaluated. The examination continues as the endoscope is advanced to the gastroesophageal junction, allowing for a thorough inspection of the esophagus and any noted irregularities. The procedure further extends into the stomach, where air is insufflated to enhance visibility, and the cardia, fundus, greater and lesser curvature, and antrum are meticulously inspected. Finally, the endoscope progresses into the duodenum and/or jejunum, where the mucosal surfaces are assessed for abnormalities. If necessary, tissue samples can be collected for cytological analysis, aiding in the diagnosis of various gastrointestinal conditions. This procedure is classified as a separate procedure, emphasizing its diagnostic nature and the specific techniques employed during the examination.