ICD-10/G32.89

G32.89 ICD 2026 Code: Other specified degenerative disorders of nervous system in diseases classified elsewhere

G32.89 is the authoritative medical code for Other specified degenerative disorders of nervous system in diseases classified elsewhere. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified degenerative disorders of nervous system in diseases classified elsewhere (ICD-10-CM G32.89), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Other specified degenerative disorders of nervous system in diseases classified elsewhere is a billable ICD-10-CM diagnosis code G32.89. Inclusion terms: Degenerative encephalopathy in diseases classified elsewhere. Excludes1 (not coded here): superior hemorrhagic polioencephalitis Wernicke's encephalopathy. 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 Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for G32.89 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Degenerative encephalopathy in diseases classified elsewhere

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • superior hemorrhagic polioencephalitis Wernicke's encephalopathy

Code First

Underlying conditions that must be sequenced before this code.

  • 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.-

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with G32.89?

Per Excludes1 instructions, G32.89 must not be reported with: superior hemorrhagic polioencephalitis [Wernicke's encephalopathy] (E51.2).

Does G32.89 need to be sequenced after another code?

Yes. 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).

What conditions are included under G32.89?

Other specified degenerative disorders of nervous system in diseases classified elsewhere includes: Degenerative encephalopathy in diseases classified elsewhere.

Codes in This Family (4)

Official ICD-10-CM classifications in the same code family as G32.89, with their registry titles.

  • G32 — Other degenerative disorders of nervous system in diseases classified elsewhere
  • G32.0 — Subacute combined degeneration of spinal cord in diseases classified elsewhere
  • G32.8 — Other specified degenerative disorders of nervous system in diseases classified elsewhere
  • G32.81 — Cerebellar ataxia in diseases classified elsewhere

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Encephalopathy (acute), degenerative, in specified disease NEC

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code G31.89 Other specified degenerative diseases of nervous system
ICD Code G37.89 Other specified demyelinating diseases of central nervous system
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