• 1 - A condition where surgery has been performed (Surgical code)
  • 4 - Neurological (including eyes)
    • 3 - Spinal cord
      • 41 - Vascular
        • 1 - Spinal cord ischaemia
        • 2 - Arterio-venous malformation
• 2 - A condition where no surgery has been performed (non-surgical code)