• G89 Pain, not elsewhere classified
  • G90 Disorders of autonomic nervous system
  • G91 Hydrocephalus
  • G92 Toxic encephalopathy
  • G93 Other disorders of brain
  • G94 Other disorders of brain in diseases classified elsewhere
  • G95 Other and unspecified diseases of spinal cord
  • G96 Other disorders of central nervous system
  • G97 Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified
  • G98 Other disorders of nervous system not elsewhere classified
  • G99 Other disorders of nervous system in diseases classified elsewhere