• 1 - A condition where surgery has been performed (Surgical code)
  • 8 - Endocrine, Metabolic, Thermoregulation and Poisoning
    • 8 - Body fluids or tissues
      • 24 - Hyponatraemia
        • 1 - Water intoxication
        • 2 - Iatrogenic hyponatraemia
        • 3 - Paraneoplastic hyponatraemia
• 2 - A condition where no surgery has been performed (non-surgical code)