• 1 - A condition where surgery has been performed (Surgical code)
    • 3 - Gastrointestinal
      • 6 - Large bowel, rectum or anus
        • 28 - Inflammation
          • 1 - Crohn's disease of large bowel, rectum or anus
          • 2 - Ulcerative colitis
          • 3 - Toxic dilatation of large bowel
          • 4 - Diverticulitis or diverticular abscess
          • 5 - Appendicitis or appendix abscess
          • 6 - Ischaemic colitis
          • 7 - Radiation colitis or proctitis
  • 2 - A condition where no surgery has been performed (non-surgical code)