• 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
        • 8 - Congenital or acquired deformity or abnormality
          • 1 - Pseudocholinesterase deficiency
          • 2 - Failure of reversal of non-depolarising neuromuscular blockers