Question: North Dakota Subscriber Answer: In your claim, you would bill 49442 (Insertion of cecostomy or other colonic tube, percutaneous, under fluoroscopic guidance including contrast injection[s], image documentation and report). A cecostomy tube, or C-tube, refers to a tube inserted into the cecum, which is the first part of the large bowel. Usually, providers use the cecostomy to administer a smallvolume phosphate enema, which they would follow up with a saline enema to quickly and completely evacuate and cleanse the large intestine, emptying through the anal opening.