G89-G99: Other disorders of the nervous system
ICD-10-CM 2027 block G89-G99 in chapter 6 (Diseases of the nervous system) has 11 categories.
- G89 – Pain, not elsewhere classified 10 billable codes
- G90 – Disorders of autonomic nervous system 21 billable codes
- G91 – Hydrocephalus 7 billable codes
- G92 – Toxic encephalopathy 8 billable codes
- G93 – Other disorders of brain 20 billable codes
- G94 – Other disorders of brain in diseases classified elsewhere Billable code
- G95 – Other and unspecified diseases of spinal cord 8 billable codes
- G96 – Other disorders of central nervous system 14 billable codes
- G97 – Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified 18 billable codes
- G98 – Other disorders of nervous system not elsewhere classified 2 billable codes
- G99 – Other disorders of nervous system in diseases classified elsewhere 3 billable codes