• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 7 - Genito-urinary
    • 1 - Kidney or ureter
      • 37 - Transplant (or related)
        • 1 - Kidney allograft
        • 2 - Kidney autograft
        • 3 - Kidney allograft rejection