When a decision is being challenged purely on how the existing evidence should have been weighed, without any new evidence to add, a Higher-Level Review (VA Form 20-0996) is generally the more appropriate lane than a Supplemental Claim (VA Form 20-0995). An HLR asks a senior reviewer to take a fresh look at the same record and determine whether the prior rating decision correctly applied the law and regulations to the facts already of record, including whether a different diagnostic code percentage more nearly approximates the disability picture under 38 CFR 4.7. A Supplemental Claim, by contrast, requires new and relevant evidence that was not previously considered; if nothing new exists, a Supplemental Claim may simply be denied for lack of new evidence rather than reaching the merits.
For sciatic nerve radiculopathy rated under 38 CFR 4.124a, Diagnostic Code 8520, the percentages correspond to mild (10%), moderate (20%), moderately severe (40%), and severe with marked muscular atrophy (60%) incomplete paralysis. The regulation notes that wholly sensory involvement should generally be rated as mild or, at most, moderate, meaning normal strength, reflex, and straight-leg-raise findings do not automatically cap a rating at 10% if the documented sensory symptoms (pain, paresthesias, numbness) are characterized as moderate or severe rather than mild. Whether a given set of DBQ findings "more nearly approximates" moderate versus mild is a judgment call raters and reviewers make, and outcomes on this exact fact pattern vary case by case; there is no bright-line rule that specific symptom checkboxes automatically convert to a specific percentage.
Official 2026 VA monthly compensation, including the 2.8% COLA increase.
Dependent add-ons start at a 30% rating. Child-only and dependent-parent rates: see the full 2026 pay chart.
| Rating | Monthly (2026, incl. 2.8% COLA) |
|---|---|
| 10% | $180.42 |
| 20% | $356.66 |
| 30% | $552.47 |
| 40% | $795.84 |
| 50% | $1,132.90 |
| 60% | $1,435.02 |
| 70% | $1,808.45 |
| 80% | $2,102.15 |
| 90% | $2,362.30 |
| 100% | $3,938.58 |
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Analyze my claim free →Requesting an informal conference with the HLR reviewer is allowed and can be useful to walk through the DBQ language directly, since HLR reviewers cannot order a new exam but can reweigh the existing evidence and change the rating if they find clear error or a difference of opinion warranting a different outcome. Among the appealed VA decisions in VetAid's library, back and spine condition appeals were vacated or remanded 56% of the time, affirmed 26%, and reversed or granted outright 5%, though these are appellate outcomes for cases that were already appealed, not odds of success at the HLR stage or for an initial claim.
The concrete next step is to file the HLR on VA Form 20-0996, request the informal conference, and be prepared to point specifically to the moderate and severe symptom findings in Section 8A alongside the 4.124a language on wholly sensory involvement.
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