• 1 - A condition where surgery has been performed (Surgical code)
  • 9 - Haematological/Immunological
    • 2 - Marrow
      • 37 - Transplant (or related)
        • 1 - Bone marrow allograft
        • 2 - Graft vs Host disease
• 2 - A condition where no surgery has been performed (non-surgical code)