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G99.8 Other specified disorders of nervous system in diseases classified elsewhere

CategoryCODABLE
G99.8
Other specified disorders of nervous system in diseases classified elsewhere
EXCLUDES
Excludes1: nervous system involvement in:
cysticercosis (B69.0)
rubella (B06.0-)
syphilis (A52.1-)
CODING RULE
Code first: underlying disorder, such as:
amyloidosis (E85.-)
avitaminosis (E56.-)
Chapter
VI · Diseases of the nervous system
Section
G89-G99
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.