First: read the letter like a rater
Your decision letter states exactly why each condition was denied or underrated — usually a missing pillar: no current diagnosis on file, no documented in-service event, or no nexus. Identify the stated gap before choosing a lane, because the gap determines the lane.
The three review lanes (AMA)
| Lane | Form | Use when | Typical time |
|---|---|---|---|
| Supplemental Claim | 20-0995 | You have new and relevant evidence the VA didn't see | ~4–6 months |
| Higher-Level Review | 20-0996 | The evidence was sufficient but the decision misapplied it | ~4–6 months |
| Board Appeal | 10182 | You want a Veterans Law Judge; optionally add evidence or a hearing | 1–3+ years by docket |
You have one year from the decision date to choose. Lanes can be used sequentially — an unfavorable HLR can be followed by a Supplemental Claim or Board Appeal within a year of that new decision.
Choosing the right lane
- Missing diagnosis or nexus? Get the record or opinion, then file a Supplemental Claim. This is the most common winning path.
- VA ignored evidence already in the file, or misapplied a regulation? Higher-Level Review — and request the optional informal conference to point the reviewer at the exact error.
- Fundamental disagreement, complex case, or repeated denials? Board Appeal. Slowest, but judges reverse or remand a substantial share of cases.
Filing an HLR when the real problem is missing evidence. HLR reviewers can only look at what was already in the file — new evidence isn't allowed in that lane. If your file was thin, HLR just re-reads a thin file.
Strengthening a supplemental claim
"New and relevant" is a low bar, but aim higher: a nexus letter addressing the denial's exact reasoning, a DBQ documenting current severity, updated treatment records, and lay statements filling timeline gaps. Quote the denial letter's language back in your 21-4138 statement and rebut it point by point.
Denied years ago? Check the PACT Act
If your denial involved burn pits, Agent Orange, radiation, or other toxic exposure, the PACT Act may have made your condition presumptive since then. That change alone supports a Supplemental Claim — and PACT-related grants can carry earlier effective dates. This is free money sitting in old denial letters.
Get free help — appeals are where it matters most
Accredited VSOs handle appeals free. Attorneys and claims agents may charge only on appeals (fees regulated by law) and make sense for complex Board cases. Verify anyone's accreditation through the VA Office of General Counsel before signing anything.