• 1 - A condition where surgery has been performed (Surgical code)
  • 4 - Neurological (including eyes)
    • 2 - Brain, CSF, meninges or skull vault
      • 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
        • 8 - Reye's or Reye-like syndrome
        • 9 - Hypertension encephalopathy
        • 10 - Admission solely for purposes of donation after cardiac death (DCD)
• 2 - A condition where no surgery has been performed (non-surgical code)