Codes
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
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code