• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 3 - Gastrointestinal
    • 5 - Small bowel
      • 57 - Non-traumatic perforation or fistula
        • 1 - Non-traumatic perforation of small bowel
        • 2 - Leaking small bowel anastomosis
        • 3 - Non-trauma related entero-enteric or entero-cutaneous fistula
        • 4 - Entero-vascular fistula
        • 5 - Inflammatory perforation of small bowel