• 1 - A condition where surgery has been performed (Surgical code)
  • 3 - Gastrointestinal
    • 5 - Small bowel
      • 15 - Haemorrhage
        • 1 - Entero-vascular fistula
        • 2 - Small bowel arterio-venous malformation
        • 3 - Haemorrhage from small bowel vascular abnormality
        • 4 - Gastrointestinal haemorrhage, source not identified
• 2 - A condition where no surgery has been performed (non-surgical code)