• 1 - A condition where surgery has been performed (Surgical code)
  • 3 - Gastrointestinal
    • 4 - Duodenum
      • 57 - Non-traumatic perforation, rupture or fistula
        • 1 - Non-traumatic duodenal rupture
        • 2 - Duodenal perforation due to ulcers
        • 3 - Leaking duodenal anastomosis
        • 4 - Non-trauma related duodeno-vascular fistula
        • 5 - Non-trauma related duodenal fistula
• 2 - A condition where no surgery has been performed (non-surgical code)