• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 1 - Respiratory
    • 7 - Peripheral nervous system disorders causing respiratory failure
      • 28 - Inflammation
        • 1 - Guillain-Barré syndrome
        • 2 - Toxic polyneuropathy
        • 3 - Critical illness polyneuropathy