• 1 - A condition where surgery has been performed (Surgical code)
  • 3 - Gastrointestinal
    • 7 - Liver or biliary tree
      • 41 - Vascular
        • 1 - Gangrenous gall bladder
        • 2 - Portal vein occlusion or thrombosis
        • 3 - Hepatic vein occlusion or thrombosis
        • 4 - Hepatic artery aneurysm
        • 5 - Hepatic infarction
        • 6 - Portal hypertension
• 2 - A condition where no surgery has been performed (non-surgical code)