Other disorders of the nervous system
G89-G99
This section covers 146 ICD-10-CM codes (G89-G99) for other disorders of the nervous system, including pain, not elsewhere classified, disorders of autonomic nervous system, and hydrocephalus. 112 of these are billable codes usable on a claim; the rest are non-billable header categories that require a more specific child code.
Categories in Other disorders of the nervous system
- G89Pain, not elsewhere classifiednon-billable header
- G90Disorders of autonomic nervous systemnon-billable header
- G91Hydrocephalusnon-billable header
- G92Toxic encephalopathynon-billable header
- G93Other disorders of brainnon-billable header
- G94Other disorders of brain in diseases classified elsewhere
- G95Other and unspecified diseases of spinal cordnon-billable header
- G96Other disorders of central nervous systemnon-billable header
- G97Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classifiednon-billable header
- G98Other disorders of nervous system not elsewhere classifiednon-billable header
- G99Other disorders of nervous system in diseases classified elsewherenon-billable header