• 1 - A condition where surgery has been performed (Surgical code)
    • 1 - Respiratory
      • 3 - Pulmonary vasculature
        • 56 - Trauma
          • 1 - Traumatic damage to pulmonary vessels
          • 2 - Instrumental damage to pulmonary vessels
  • 2 - A condition where no surgery has been performed (non-surgical code)