Endoscopic examination of the colon to the caecum by colonoscopy: (a) for the treatment of bleeding, including one or more of the following: (i) radiation proctitis; (ii) angioectasia; (iii) post‑polypectomy bleeding; or (b) for the treatment of colonic strictures with balloon dilatation Applicable only once on a day under a single episode of anaesthesia or other sedation (H) (Anaes.)