Surgical Procedure of Primary Site: Rectosigmoid
Code 51: Total colectomy
Code 55: Total colectomy with ileostomy,
Code 56: Ileorectal reconstruction
Code 57: Total colectomy with other pouch
Code 51 is assigned for rectosigmoid cancer for total colectomy, removal of the colon from the cecum to the rectosigmoid. Assign code 55 when the procedure performed is a total colectomy with ileostomy, NOS. Ileostomy is the surgical creation of an opening into the ileum. When the specific type of opening created is not named, assigned code 55. If the procedure performed to the rectosigmoid is some type of reconstruction of the rectum and ileum, assign code 56. If total colectomy is performed with the creation of some other type of pouch such as Koch pouch, assign code 57.