• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 3 - Gastrointestinal
    • 2 - Oesophagus
      • 28 - Inflammation
        • 1 - Non-infective oesophagitis or oesophageal ulcers
        • 2 - Chemical or thermal oesophageal burns