• 1 - A condition where surgery has been performed (Surgical code)
  • 2 - A condition where no surgery has been performed (non-surgical code)
    • 3 - Gastrointestinal
      • 1 - Mouth or pharynx
        • 8 - Congenital or acquired deformity or abnormality
          • 1 - Mouth, mandible, pharynx or facial bones deformity