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G90.3

✓ Billable

Multi-system degeneration of the autonomic nervous system

Diseases of the nervous system (G00-G99)

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Also Known As

Neurogenic orthostatic hypotension [Shy-Drager]

❌ Excludes1

direct

Cannot be coded with G90.3

  • • orthostatic hypotension NOS (I95.1)

❌ Excludes1

inherited from G90

Rules from parent category G90: Disorders of autonomic nervous system

  • • dysfunction of the autonomic nervous system due to alcohol (G31.2)

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Code Information

CodeG90.3
BillableYes
ParentG90
CategoryDiseases of the nervous system (G00-G99)
Excludes12 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)