• 1 - A condition where surgery has been performed (Surgical code)
  • 3 - Gastrointestinal
    • 4 - Duodenum
      • 15 - Haemorrhage
        • 1 - Haemorrhage from duodenal ulcer, duodenitis or duodenal diverticulum
        • 3 - Duodenal or ampullary tumour
        • 4 - Haemorrhage from duodenal vascular abnormality
        • 5 - Gastrointestinal haemorrhage, source not identified
        • 6 - Trauma related duodeno-vascular fistula
        • 7 - Non-trauma related duodeno-vascular fistula
• 2 - A condition where no surgery has been performed (non-surgical code)