What are the VA rating percentages for Amyotrophic Lateral Sclerosis (ALS)?

Amyotrophic Lateral Sclerosis (ALS) (DC 8017) is rated at 100% under 38 CFR § 4.124a, DC 8017. ALS is automatically rated 100% from the date of diagnosis per § 4.124a DC 8017.

What rates 100% for Amyotrophic Lateral Sclerosis (ALS) under 38 CFR § 4.124a, DC 8017?

Under 38 CFR § 4.124a, DC 8017 (DC 8017), a 100% rating for Amyotrophic Lateral Sclerosis (ALS) requires: ALS is automatically rated 100% from the date of diagnosis per § 4.124a DC 8017.

What happens during a C&P exam for Amyotrophic Lateral Sclerosis (ALS)?

Bring all relevant medical records and a written list of symptoms. Report your worst days, not your best. The VA rates based on overall impairment.

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Amyotrophic Lateral Sclerosis (ALS)

Q: What evidence do I need for a Amyotrophic Lateral Sclerosis (ALS) VA claim?

Key evidence for a Amyotrophic Lateral Sclerosis (ALS) claim includes: Service treatment records; Current medical diagnosis and treatment records; Buddy/lay statements; Prescription history; Employment impact documentation. All evidence should document both the condition and its impact on daily functioning.

DC 801738 C.F.R. § 4.124a

Diagnostic Code

DC 8017

38 C.F.R. § 4.124a

Rating Range

100–100%

1 severity tier

Source

Verified

38 C.F.R. § 4.124a

Amyotrophic Lateral Sclerosis (ALS) is rated by the U.S. Department of Veterans Affairs under DC 8017 of 38 CFR § 4.124a, DC 8017 across 1 severity tier (100%). 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

Progressive neurodegenerative disease affecting motor neurons causing muscle weakness, atrophy, and eventual paralysis.

Rating Criteria

100%

ALS is automatically rated 100% from the date of diagnosis per § 4.124a DC 8017.

03Key Evidence

—Service treatment records

—Current medical diagnosis and treatment records

—Buddy/lay statements

—Prescription history

—Employment impact documentation

—Any relevant diagnostic testing

04C&P Exam Tips

1Bring all relevant medical records and a written list of symptoms.

2Report your worst days, not your best. The VA rates based on overall impairment.

3Document how the condition affects daily activities, work, and relationships.

4Mention all medications and their side effects.

5Bring buddy statements from people who observe your symptoms.

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Tools

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

Sources & Editorial

Rating criteria text quoted verbatim from 38 C.F.R. § 4.124a (Neurological conditions and convulsive disorders). Source verified 2026-05-15 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.

View § 4.124a on eCFR →Cornell Law mirror →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

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