ICD10
ICD-10 Code G32.8: Other specified degenerative disorders of nervous system in diseases classified elsewhere
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).
When is it used?
- May be used when a clinician documents other specified degenerative disorders of nervous system in diseases classified elsewhere in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
6Diseases of the nervous system (G00-G99)
block
G30-G32Other degenerative diseases of the nervous system
category
G32Other degenerative disorders of nervous system in diseases classified elsewhere
currentG32
Official coding notes
Applicable to
- 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.-)
Excludes1 (do not code together)
- 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.-)
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
NeurologistGeneral Physician
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 192794001high
Cerebral degeneration associated with another disorder
Source: SNOMED International ICD-10 map
SNOMED_CT 420146005high
Cerebral degeneration associated with generalized lipidosis
Source: SNOMED International ICD-10 map
SNOMED_CT 135781000119105high
Cerebral degeneration due to hypothyroidism
Source: SNOMED International ICD-10 map
SNOMED_CT 192815006high
Cerebral degeneration due to neoplastic disease
Source: SNOMED International ICD-10 map
SNOMED_CT 192817003high
Cerebral degeneration due to vitamin B12 deficiency
Source: SNOMED International ICD-10 map
SNOMED_CT 192791009high
Cerebral degeneration in Gaucher's disease
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
G32.8
Replacement codes
G32.81 — Cerebellar ataxia in diseases classified elsewhereG32.89 — Other specified degenerative disorders of nervous system in diseases classified elsewhere
Common synonyms
Other specified degenerative disorders of nervous system in diseases classified elsewhere
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.