Skip to content
Dx

ICD-10-CM 2027 · G89-G99

Other disorders of the nervous system

Part of chapter 6, diseases of the nervous system.

About G89-G99

Block G89-G99 contains 11 categories and 112 billable codes for FY2027. No codes here changed in the FY2027 update. 9 codes are MCCs and 58 are CCs when reported as secondary diagnoses.

G89Pain, not elsewhere classified

G90Disorders of autonomic nervous system

G91Hydrocephalus

G92Toxic encephalopathy

G93Other disorders of brain

G94Other disorders of brain in diseases classified elsewhere

G95Other and unspecified diseases of spinal cord

G96Other disorders of central nervous system

G97Intraoperative and postprocedural complications and disorders of nervous system, not elsewhere classified

G98Other disorders of nervous system not elsewhere classified

G99Other disorders of nervous system in diseases classified elsewhere