G32.8 Other specified degenerative disorders of nervous system in diseases classified elsewhere

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Other specified degenerative disorders of nervous system in diseases classified elsewhere is G32.8 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
G30-G32: Other degenerative diseases of the nervous system (G30-G32)
Category G32
5 codes (3 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with G32.8.
  • superior hemorrhagic polioencephalitis [Wernicke's encephalopathy] (E51.2)
Code First
  • underlying disease, such as:
  • amyloidosis cerebral degeneration (E85.-)
  • cerebral degeneration (due to) hypothyroidism (E00.0-E03.9)
  • cerebral degeneration (due to) neoplasm (C00-D49)
  • cerebral degeneration (due to) vitamin B deficiency, except thiamine (E52-E53.-)

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

G32 Other degenerative disorders of nervous system in diseases classified elsewhere

More Specific Codes

G32.81 Cerebellar ataxia in diseases classified elsewhere G32.89 Other specified degenerative disorders of nervous system in diseases classified elsewhere

Related Codes in G32

G32 Other degenerative disorders of nervous system in diseases classified elsewhere G32.0 Subacute combined degeneration of spinal cord in diseases classified elsewhere G32.81 Cerebellar ataxia in diseases classified elsewhere G32.89 Other specified degenerative disorders of nervous system in diseases classified elsewhere
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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