• 1 - A condition where surgery has been performed (Surgical code)
    • 2 - Cardiovascular
      • 13 - Pulmonary vasculature
        • 8 - Congenital or acquired deformity or abnormality
        • 15 - Haemorrhage
        • 19 - Hypertension
        • 28 - Inflammation
        • 30 - Obstruction
        • 56 - Trauma
        • 57 - Non-traumatic rupture or fistula
  • 2 - A condition where no surgery has been performed (non-surgical code)