• 1 - A condition where surgery has been performed (Surgical code)
  • 2 - A condition where no surgery has been performed (non-surgical code)
    • 1 - Respiratory
      • 2 - Bronchi or lower airways
        • 56 - Trauma (or traumatic perforation or rupture)
          • 1 - Traumatic perforation or rupture of bronchus
          • 2 - Instrumental perforation of bronchus