• 1 - A condition where surgery has been performed (Surgical code)
    • 3 - Gastrointestinal
      • 7 - Liver or biliary tree
        • 39 - Tumour or malignancy
          • 1 - Primary hepatic tumour
          • 2 - Secondary hepatic tumour
          • 3 - Biliary tree tumour
          • 4 - Carcinoid tumour
  • 2 - A condition where no surgery has been performed (non-surgical code)