• 1 - A condition where surgery has been performed (Surgical code)
    • 13 - Trauma
      • 4 - Neurological (including eyes)
        • 1 - Head, neck (extracranial) or eyes
          • 1 - Trauma to mouth, mandible, pharynx or facial bones
          • 2 - Ocular trauma
          • 3 - Traumatic carotid or vertebral artery aneurysm or dissection
  • 2 - A condition where no surgery has been performed (non-surgical code)