• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 2 - Cardiovascular
    • 6 - Thoracic aorta
      • 27 - Infection
        • 1 - Infected thoracic aortic prosthesis
        • 2 - Aortic root abscess
        • 3 - Syphilitic aortitis