G90.89
✓ BillableOther disorders of autonomic nervous system
Diseases of the nervous system (G00-G99)
✅ No additional coding notes for G90.89
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CodeG90.89
BillableYes
ParentG90.8
CategoryDiseases of the nervous system (G00-G99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)