• 1 - A condition where surgery has been performed (Surgical code)
  • 1 - Respiratory
    • 6 - Spinal cord lesions causing respiratory failure
      • 12 - Epidural or spinal drug administration
        • 1 - Epidural injection or infusion
        • 2 - Spinal injection or infusion
• 2 - A condition where no surgery has been performed (non-surgical code)