• 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
      • 3 - Adrenal
        • 39 - Tumour or malignancy
          • 1 - Phaeochromocytoma
          • 2 - Adrenocortical tumour