• 1 - A condition where surgery has been performed (Surgical code)
  • 2 - A condition where no surgery has been performed (non-surgical code)
    • 1 - Respiratory
      • 10 - Brain lesions causing respiratory failure
        • 7 - Coma or encephalopathy
          • 1 - Toxic or drug induced coma or encephalopathy
          • 2 - Metabolic coma or encephalopathy
          • 3 - Anoxic or ischaemic coma or encephalopathy
          • 4 - Degenerative coma or encephalopathy
          • 5 - Anaesthesia related encephalopathy
          • 6 - Admission solely for purposes of donation after brainstem death (DBD)
          • 7 - Primary (diffuse) brain injury