- Codes Description
- 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