CPT® Code 44401

Colonoscopy through stoma; with ablation of tumor(s), polyp(s), or other lesion(s) (includes pre-and post-dilation and guide wire passage, when performed)

A colonoscopy through stoma is a specialized procedure that involves the examination and treatment of the colon via an existing stoma, such as a colostomy. This procedure is primarily performed to ablate, or destroy, tumors, polyps, or other lesions found within the colon. During the colonoscopy, an endoscope is introduced through the stoma, allowing the physician to inspect the mucosal surfaces of the colon from the stoma to the cecum or a small intestine anastomosis. The procedure is comprehensive, as it includes not only the identification of abnormalities but also the potential for therapeutic interventions. If any lesions are detected, the physician may utilize techniques such as dilation to facilitate access for ablation. This may involve the insertion of a guidewire and the use of rigid tubes or a balloon catheter to expand the lumen of the large intestine. The ablation process typically employs a laser device, which is carefully maneuvered through the endoscope to target and destroy the lesions. The procedure is designed to ensure thorough examination and treatment, with careful monitoring to prevent any complications or injuries to the colon during the process.