• 1 - A condition where surgery has been performed (Surgical code)
    • 3 - Gastrointestinal
      • 3 - Stomach
        • 8 - Congenital or acquired deformity or abnormality
          • 1 - Congenital pyloric stenosis
          • 2 - Gastroschisis or exomphalos
          • 3 - Hiatus hernia
  • 2 - A condition where no surgery has been performed (non-surgical code)