What happens during a C&P exam for Cerebellar Ataxia?

Peripheral nerve conditions are rated by severity of incomplete paralysis - mild, moderate, or severe versus complete (38 CFR 4.124a). Ask the examiner to grade the severity and to identify which nerve is affected. When the impairment is wholly sensory, the rating is generally limited to mild or at most moderate (38 CFR 4.124a) - so describe any motor weakness, muscle atrophy, or loss of reflexes, not just numbness.

← All Condition Guides

CLAIM RECON INTEL

Cerebellar Ataxia

Q: What are the VA rating percentages for Cerebellar Ataxia?

Cerebellar Ataxia (DC 8004) is rated at 0% under 38 CFR § 4.124a, DC 8004. Cerebellar ataxia is a clinical syndrome with multiple possible etiologies, not a standalone diagnosis. The appropriate DC depends on the underlying cause: cerebellar stroke (DC 8008 + residuals), multiple sclerosis with cerebellar involvement (DC 8018 minimum 30% + residuals), alcoholic cerebellar degeneration (rate by analogy + concurrent alcohol-use disorder under § 4.130), hereditary spinocerebellar ataxia / Friedreich's ataxia (DC 8004 by analogy with minimum 30% framework), post-traumatic cerebellar injury (DC 8045 TBI residuals), paraneoplastic cerebellar degeneration (rate by analogy + the underlying malignancy). Where ataxia is a standalone manifestation without separately ratable cause (idiopathic late-onset cerebellar ataxia), DC 8004 by analogy with minimum 30% applies.

Q: What rates 0% for Cerebellar Ataxia under 38 CFR § 4.124a, DC 8004?

Under 38 CFR § 4.124a, DC 8004 (DC 8004), a 0% rating for Cerebellar Ataxia requires: Cerebellar ataxia is a clinical syndrome with multiple possible etiologies, not a standalone diagnosis. The appropriate DC depends on the underlying cause: cerebellar stroke (DC 8008 + residuals), multiple sclerosis with cerebellar involvement (DC 8018 minimum 30% + residuals), alcoholic cerebellar degeneration (rate by analogy + concurrent alcohol-use disorder under § 4.130), hereditary spinocerebellar ataxia / Friedreich's ataxia (DC 8004 by analogy with minimum 30% framework), post-traumatic cerebellar injury (DC 8045 TBI residuals), paraneoplastic cerebellar degeneration (rate by analogy + the underlying malignancy). Where ataxia is a standalone manifestation without separately ratable cause (idiopathic late-onset cerebellar ataxia), DC 8004 by analogy with minimum 30% applies.

Q: What evidence do I need for a Cerebellar Ataxia VA claim?

Key evidence for a Cerebellar Ataxia claim includes: EMG/nerve conduction study and the examiner's grading of incomplete-paralysis severity (mild/moderate/severe); Neurology records documenting motor weakness, muscle atrophy, loss of reflexes, or sensory loss for the affected nerve; A headache log documenting frequency and duration of prostrating migraine attacks, plus any work impact (migraines); A seizure diary plus physician documentation that seizures were witnessed or verified (epilepsy); Imaging (MRI/CT) or lab work supporting the neurological diagnosis. All evidence should document both the condition and its impact on daily functioning.

DC 800438 C.F.R. § 4.124a

Diagnostic Code

DC 8004

38 C.F.R. § 4.124a

Rating Range

0–0%

1 severity tier

Source

Referenced

38 C.F.R. Part 4

Cerebellar Ataxia is rated by the U.S. Department of Veterans Affairs under DC 8004 of 38 CFR § 4.124a, DC 8004 across 1 severity tier (0%). Service connection requires (1) a current diagnosis, (2) an in-service event, injury, or exposure, and (3) a medical nexus opinion linking the two under 38 C.F.R. § 3.303.

Educational tool only. Not legal or medical advice. Not affiliated with the VA.

Overview

Impaired coordination and balance due to cerebellar dysfunction causing gait instability and limb incoordination.

Rating Criteria

Cerebellar ataxia is a clinical syndrome with multiple possible etiologies, not a standalone diagnosis. The appropriate DC depends on the underlying cause: cerebellar stroke (DC 8008 + residuals), multiple sclerosis with cerebellar involvement (DC 8018 minimum 30% + residuals), alcoholic cerebellar degeneration (rate by analogy + concurrent alcohol-use disorder under § 4.130), hereditary spinocerebellar ataxia / Friedreich's ataxia (DC 8004 by analogy with minimum 30% framework), post-traumatic cerebellar injury (DC 8045 TBI residuals), paraneoplastic cerebellar degeneration (rate by analogy + the underlying malignancy). Where ataxia is a standalone manifestation without separately ratable cause (idiopathic late-onset cerebellar ataxia), DC 8004 by analogy with minimum 30% applies.

Key Evidence

—EMG/nerve conduction study and the examiner's grading of incomplete-paralysis severity (mild/moderate/severe)

—Neurology records documenting motor weakness, muscle atrophy, loss of reflexes, or sensory loss for the affected nerve

—A headache log documenting frequency and duration of prostrating migraine attacks, plus any work impact (migraines)

—A seizure diary plus physician documentation that seizures were witnessed or verified (epilepsy)

—Imaging (MRI/CT) or lab work supporting the neurological diagnosis

—Complete medication list, including continuous medication required for control, and buddy/witness statements

C&P Exam Tips

1Peripheral nerve conditions are rated by severity of incomplete paralysis - mild, moderate, or severe versus complete (38 CFR 4.124a). Ask the examiner to grade the severity and to identify which nerve is affected.

2When the impairment is wholly sensory, the rating is generally limited to mild or at most moderate (38 CFR 4.124a) - so describe any motor weakness, muscle atrophy, or loss of reflexes, not just numbness.

3Neuritis with organic changes (loss of reflexes, muscle atrophy, constant pain) can be rated up to severe incomplete paralysis (38 CFR 4.123) - make sure those findings are documented.

4For migraines (DC 8100), the rating turns on prostrating attacks - document their frequency (for example, about once a month) and any effect on your ability to work. Keep a headache log.

5For epilepsy, the rating turns on seizure frequency (38 CFR 4.121); seizures must be witnessed or verified by a physician at some point, and continuous medication for control supports the 10% minimum - keep a seizure diary.

6Report your worst days, list all medications and side effects, and bring buddy statements from people who witness your symptoms or seizures.

Tools

Rating Calculator →Secondaries Explorer →C&P Exam Prep →PACT Act Scanner →2026 Rates →

Sources & Editorial

Rating criteria reference 38 C.F.R. Part 4 (Schedule for Rating Disabilities). This entry has not yet undergone editorial review against the live regulation text — consult the authoritative source directly before relying on the criteria shown.

View 38 C.F.R. Part 4 on eCFR →Editorial Standards →Suggest a correction →

EDUCATIONAL TOOL ONLY. NOT LEGAL OR MEDICAL ADVICE.
NOT AFFILIATED WITH THE U.S. DEPARTMENT OF VETERANS AFFAIRS.
CLAIM RECON 2026

LOADING