• 1 - A condition where surgery has been performed (Surgical code)
  • 2 - Cardiovascular
    • 6 - Thoracic aorta
      • 57 - Non-traumatic aneurysm, dissection or rupture
        • 1 - Non-traumatic dissection of thoracic aorta
        • 2 - Thoracic aortic aneurysm, ruptured
        • 3 - Thoracic aortic aneurysm, not ruptured
        • 4 - Thoracoabdominal aortic aneurysm, ruptured
        • 5 - Thoracoabdominal aortic aneurysm, not ruptured
• 2 - A condition where no surgery has been performed (non-surgical code)