• 1 - A condition where surgery has been performed (Surgical code)
• 2 - A condition where no surgery has been performed (non-surgical code)
  • 8 - Endocrine, Metabolic, Thermoregulation and Poisoning
    • 2 - Pituitary
      • 40 - Under-activity
        • 1 - Diabetes insipidus (central)
        • 2 - Hypopituitarism