CPT® Code 45387

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A flexible colonoscopy is a diagnostic and therapeutic procedure that involves the insertion of a flexible tube equipped with a camera, known as a colonoscope, into the rectum and advancing it through the colon. This specific procedure, identified by CPT® Code 45387, is performed proximal to the splenic flexure, which is the bend in the colon located near the spleen. The primary purpose of this procedure is to place a transendoscopic stent, which is a tube-like device used to keep the intestinal passage open, particularly in cases of obstruction caused by malignant neoplasms, or cancerous growths. The procedure includes predilation, which is the process of widening the narrowed area of the colon before the stent is placed. During the colonoscopy, the physician carefully inspects the mucosal lining of the colon for any signs of ischemia (insufficient blood flow) or necrosis (tissue death). If the mucosa appears healthy, a guide wire is introduced through the colonoscope and advanced across the obstruction. If necessary, a balloon catheter is then used to dilate the stricture, allowing for the successful placement of the stent. This procedure is crucial for alleviating symptoms associated with intestinal obstruction and improving the patient's quality of life.