• 1 - A condition where surgery has been performed (Surgical code)
    • 4 - Neurological (including eyes)
      • 3 - Spinal cord
        • 39 - Tumour or malignancy
          • 1 - Primary cord or meninges tumour
          • 2 - Extrinsic compression of cord by non-neural tumour
  • 2 - A condition where no surgery has been performed (non-surgical code)