Other degenerative disorders of nervous system in diseases classified elsewhere (G32) ICD-10-CM
The G32 code range covers other degenerative disorders of nervous system in diseases classified elsewhere with 5 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the G32 Range 5 codes · 3 billable
- G32 Other degenerative disorders of nervous system in diseases classified elsewhereNon-billable
- G32.0 Subacute combined degeneration of spinal cord in diseases classified elsewhere
- G32.8 Other specified degenerative disorders of nervous system in diseases classified elsewhereNon-billable
- G32.81 Cerebellar ataxia in diseases classified elsewhere
- G32.89 Other specified degenerative disorders of nervous system in diseases classified elsewhere
About the G32 Code Range
```htmlThe ICD-10 codes under G32 classify various degenerative nervous system disorders that arise as part of other diseases. These codes help pinpoint nervous system damage linked to underlying conditions rather than standalone neurological diseases.
The code G32.0 covers subacute combined degeneration of the spinal cord, often caused by vitamin B12 deficiency, also known as myelopathy due to nutritional deficiency. Code G32.81 captures cerebellar ataxia associated with other diseases, including spinocerebellar ataxia caused by vitamin E deficiency or chemical exposure and complex syndromes such as amyotrophic lateral sclerosis with ataxia. Meanwhile, G32.89 accounts for various other specified degenerative nervous system conditions linked to systemic diseases, like encephalopathy from multiple nutrient deficiencies or cerebral degeneration due to hypothyroidism or neoplastic disease. Together, these codes serve to document nervous system degeneration that is secondary to broader medical issues, distinguishing them from primary neurological disorders. This distinction is important when searching for the ICD-10 code for specific conditions involving nervous system degeneration in the context of other illnesses.
```Questions About This Page
How many billable codes are in the G32 range?
Of the 5 codes in this range, 3 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the G32 range classify?
The range classifies other degenerative disorders of nervous system in diseases classified elsewhere. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
