• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 9 - Haematological/Immunological
    • 2 - Marrow
      • 25 - Hypoplasia or dysplasia
        • 1 - Aplastic anaemia
        • 2 - Drug induced hypoplasia
        • 3 - Myelodysplasia