• 1 - A condition where surgery has been performed (Surgical code)
  • 2 - Cardiovascular
    • 3 - Pericardium, pericardial space or mediastinum
      • 8 - Congenital or acquired deformity or abnormality
        • 1 - Constrictive pericarditis
        • 2 - Pericardial effusion
• 2 - A condition where no surgery has been performed (non-surgical code)