DC 8023Neurological Conditions38 CFR § 4.124aLast verified: APR 22, 2026

Progressive muscular atrophy

The VA rates Progressive muscular atrophy under Diagnostic Code 8023 at a single 30% level. The 30% maximum means additional ratings through secondary conditions or combined ratings are critical for higher compensation.

Also available: View rating schedule for DC 8023

Rating schedule — DC 8023 at a glance

Minimum rating
30%

Lowest schedular rating available

Maximum rating
30%

TDIU may raise effective compensation to 100%

Rating tiers
1

30%

CFR section
§ 4.124a

Part 4 rating schedule

Body system
Neurological Conditions
Secondary conditions
0

None mapped

What are the VA rating criteria for Progressive muscular atrophy?

RatingCriteria
30%

Minimum rating

Minimum rating

Common Questions About Progressive muscular atrophy VA Ratings

What is the VA rating range for Progressive muscular atrophy?

The VA rates Progressive muscular atrophy under Diagnostic Code 8023 at 30%. The minimum 30% rating requires: Minimum rating. The maximum 30% rating requires: Minimum rating.

Which 38 CFR diagnostic code does the VA use for Progressive muscular atrophy?

The VA rates Progressive muscular atrophy under Diagnostic Code (DC) 8023, governed by 38 CFR 38 CFR § 4.124a. The diagnostic code establishes the specific rating tiers and severity criteria the VA examiner applies.

Can Progressive muscular atrophy qualify for TDIU?

Progressive muscular atrophy maxes at 30%, well below the single-disability TDIU threshold. However, combined with other service-connected disabilities, TDIU may be achievable under 38 CFR § 4.16. Focus on establishing secondary conditions to increase the combined rating.

What evidence supports a higher rating for Progressive muscular atrophy?

The key evidence for Progressive muscular atrophy is documentation of how the condition affects daily functioning. For neurological conditions, nerve conduction studies, EMG results, and documentation of complete vs incomplete paralysis distinguish the rating tiers. A nexus letter from a qualified medical professional linking the current severity to service is essential for contested claims.

What happens at the C&P exam for Progressive muscular atrophy?

The C&P examiner uses a Neurological Conditions DBQ and evaluates your condition against the DC 8023 rating criteria. The examiner tests reflexes, sensation, and motor function. If nerve damage is suspected, EMG or nerve conduction studies may be ordered. Distinguish between complete and incomplete paralysis — the rating difference is significant.

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