• 1 - A condition where surgery has been performed (Surgical code)
  • 3 - Gastrointestinal
    • 1 - Mouth or pharynx
      • 8 - Congenital or acquired deformity or abnormality
      • 15 - Haemorrhage
      • 27 - Infection
      • 39 - Tumour or malignancy
      • 56 - Trauma
• 2 - A condition where no surgery has been performed (non-surgical code)