G31.85 (Corticobasal degeneration) is a billable ICD-10-CM medical diagnosis code in the Diseases of the nervous system chapter. It identifies cases of corticobasal degeneration for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Billable Code

G31.85 — Corticobasal degeneration

Chapter G00-G99: Diseases of the nervous system

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Related diagnoses

G31.80Leukodystrophy, unspecifiedG31.81Alpers diseaseG31.82Leigh's diseaseG31.83Neurocognitive disorder with Lewy bodiesG31.84Mild cognitive impairment of uncertain or unknown etiologyG31.86Alexander diseaseG31.89Other specified degenerative diseases of nervous system

Common questions about G31.85 (Corticobasal degeneration)

What does ICD-10 code G31.85 mean?
G31.85 is the ICD-10-CM 2025 code for Corticobasal degeneration. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is G31.85 a billable diagnosis code?
Yes, G31.85 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.
Which ICD-10 chapter does G31.85 belong to?
G31.85 belongs to the chapter "Diseases of the nervous system" (codes G00-G99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Corticobasal degeneration?
For a plain-language explanation of Corticobasal degeneration, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Corticobasal degeneration" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗