• 1 - A condition where surgery has been performed (Surgical code)
    • 2 - Cardiovascular
      • 15 - Abdominal aorta
        • 57 - Non-traumatic aneurysm, dissection, rupture or fistula
          • 1 - Non-traumatic dissection of abdominal aorta
          • 2 - Abdominal aortic aneurysm, ruptured
          • 3 - Thoracoabdominal aortic aneurysm, ruptured
          • 4 - Abdominal aortic aneurysm, leaking or expanding but not ruptured
          • 5 - Abdominal aortic aneurysm, neither ruptured, leaking nor expanding
          • 6 - Thoracoabdominal aortic aneurysm, not ruptured
          • 7 - Non-traumatic aorto-caval fistula
          • 8 - Non-traumatic aorto-enteric fistula
  • 2 - A condition where no surgery has been performed (non-surgical code)