• 1 - A condition where surgery has been performed (Surgical code)
    • 4 - Neurological (including eyes)
      • 4 - Peripheral nervous system
        • 28 - Inflammation
          • 1 - Guillain-BarrĂ© syndrome
          • 2 - Toxic polyneuropathy
          • 3 - Autoimmune polyneuropathy
          • 4 - Porphyria
          • 5 - Critical illness polyneuropathy
  • 2 - A condition where no surgery has been performed (non-surgical code)