Thumb and index
Thumb and index is rated under 38 CFR 38 CFR § 4.71a, Diagnostic Code 5142, from 40% to 50% based on the frequency and functional severity of symptoms. The maximum 50% rating requires: 40. Most claims establish the 40% or 50% rating before reaching the top tier.
Rating schedule — DC 5142 at a glance
- Minimum rating
- 40%
- Maximum rating
- 50%
- Rating tiers
- 2
- CFR section
- 38 CFR § 4.71a
- Body system
- Musculoskeletal System
- Secondary conditions
- 0
Lowest schedular rating available
TDIU may raise effective compensation to 100%
40%, 50%
Part 4 rating schedule
None mapped
What are the VA rating criteria for Thumb and index?
50
40
“40”
Common Questions About Thumb and index VA Ratings
What is the VA rating range for Thumb and index?
The VA rates Thumb and index under Diagnostic Code 5142 at 40%, 50%. The minimum 40% rating requires: 50. The maximum 50% rating requires: 40.
Which 38 CFR diagnostic code does the VA use for Thumb and index?
The VA rates Thumb and index under Diagnostic Code (DC) 5142, governed by 38 CFR 38 CFR § 4.71a. The diagnostic code establishes the specific rating tiers and severity criteria the VA examiner applies.
What is the difference between a 40% and a 50% rating for Thumb and index?
A 40% rating requires: 50. A 50% rating requires: 40. The difference typically reflects the frequency, severity, or functional impact of the condition as documented in medical records and C&P examination findings.
Can Thumb and index qualify for TDIU (Total Disability Individual Unemployability)?
Veterans rated for Thumb and index may qualify for TDIU if the condition — alone or in combination with other service-connected disabilities — prevents substantially gainful employment. A single disability rated at 60% or higher (or multiple disabilities combining to 70%, with one at 40%) can support a TDIU claim under 38 CFR § 4.16.
What evidence do I need to establish service connection for Thumb and index?
Service connection for Thumb and index requires three elements: (1) a current diagnosis of the condition, (2) an in-service event, injury, or disease, and (3) a medical nexus linking the current diagnosis to that in-service occurrence. A nexus letter from a treating or independent medical examiner is the most reliable nexus evidence.
What is the C&P exam like for Thumb and index?
A Compensation & Pension (C&P) exam for Thumb and index uses a Disability Benefits Questionnaire (DBQ) specific to the body system involved. The examiner documents the frequency, severity, and functional impact of your symptoms. Bring all relevant treatment records and be prepared to describe your worst-day symptoms — the examiner rates your condition based on the full clinical picture, not a single visit.
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