ICD-10-CM · Chapter 6
G99..8 Other specified disorders of nervous system in diseases classified elsewhere
Excludes 1 (cannot be coded together)
- nervous system involvement in:
- cysticercosis (B69.0)
- rubella (B06.0-)
- syphilis (A52.1-)
Code First
- underlying disorder, such as:
- amyloidosis (E85.-)
- avitaminosis (E56.-)
Last reviewed: September 2026