• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 1 - Respiratory
    • 5 - Pleura or mediastinum
      • 27 - Infection
        • 1 - Pleurisy
        • 2 - Empyema or infected effusion
        • 3 - Mediastinitis
        • 4 - Tuberculosis
        • 5 - Sternotomy related infection