• 1 - A condition where surgery has been performed (Surgical code)
  • 2 - A condition where no surgery has been performed (non-surgical code)
    • 1 - Respiratory
      • 9 - Chest wall or diaphragm disorders causing respiratory failure
        • 56 - Trauma (or traumatic rupture)
          • 1 - Flail chest
          • 2 - Flail sternum
          • 3 - Multiple rib fractures
          • 4 - Penetrating injury to chest wall
          • 5 - Ruptured diaphragm