G90.8
⚠ Non-billable (Header)Other disorders of autonomic nervous system
Diseases of the nervous system (G00-G99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inherited from G90Rules from parent category G90: Disorders of autonomic nervous system
- • dysfunction of the autonomic nervous system due to alcohol (G31.2)
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CodeG90.8
BillableNo — Header code
ParentG90
CategoryDiseases of the nervous system (G00-G99)
Excludes11 rule(s)
Excludes20 note(s)
Child codes2
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)