ICD-10-CM Book 2026 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 6 G00-G99 Diseases of the nervous system /
G89-G99 Other disorders of the nervous system /
G99 Other disorders of nervous system in diseases classified elsewhere

  Billable ICD-10-CM Code G99.8
G99.8
Other specified disorders of nervous system in diseases classified elsewhere
codeFirst
underlying disorder, such as:
amyloidosis (E85.-)
avitaminosis (E56.-)
excludes1
nervous system involvement in:
cysticercosis (B69.0)
rubella (B06.0-)
syphilis (A52.1-)
nonPrimary
Yes