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Diagnostic Code 5308: Group VIII. Function

Muscle Injuries · 38 CFR §4.73 · All codes in this system

Evaluation criteriaDominantNondominant
Extension of wrist, fingers, and thumb; abduction of thumb. Muscles arising mainly from external condyle of humerus: Extensors of carpus, fingers, and thumb; supinator
Severe30%20%
Moderately Severe20%20%
Moderate10%10%
Slight0%0%

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Source: eCFR Title 38, 38 CFR §4.73, current as of 2026-11-05. Criteria text is the regulatory text, reproduced verbatim for reference; it is not legal advice.