• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 3 - Gastrointestinal
    • 6 - Large bowel, rectum or anus
      • 39 - Tumour or malignancy
        • 2 - Malignant large bowel tumour
        • 3 - Villous adenoma or benign large bowel tumour