• 1 - A condition where surgery has been performed (Surgical code)
    • 1 - Respiratory
      • 4 - Lungs
        • 8 - Congenital or acquired deformity or abnormality
          • 1 - Lung cyst
          • 2 - Cystic fibrosis
          • 3 - Emphysema
          • 4 - Bulla formation
  • 2 - A condition where no surgery has been performed (non-surgical code)