• 1 - A condition where surgery has been performed (Surgical code)
  • 3 - Gastrointestinal
    • 1 - Mouth or pharynx
      • 15 - Haemorrhage
        • 2 - Haemorrhage into upper airway
        • 3 - Tracheal haemorrhage
• 2 - A condition where no surgery has been performed (non-surgical code)