How to Win a VA Supplemental Claim: New and Relevant Evidence (2026)

What Is a Supplemental Claim?

The supplemental claim is a review option that allows a veteran to ask the VA to reconsider a previously decided issue based on new and relevant evidence. It was created by the Appeals Modernization Act (AMA), which restructured the VA review system effective February 19, 2019. The supplemental claim replaces what veterans previously knew as "reopening" a claim under the legacy appeals system.

A supplemental claim is filed using VA Form 20-0995. The veteran identifies the issue being reconsidered and identifies the new and relevant evidence the VA should review. Importantly, the supplemental claim triggers the VA's duty to assist — meaning the VA must help develop the evidence, including by requesting records the veteran identifies and ordering examinations when warranted.

The Three AMA Review Lanes

Veterans dissatisfied with a VA decision generally have three options under the AMA. Each lane has different rules, timelines, and evidentiary requirements.

Supplemental Claim (VA Form 20-0995)

The veteran submits new and relevant evidence. The VA re-adjudicates the issue with the duty to assist applied. This lane is most useful when there is additional evidence to develop.

Higher-Level Review (VA Form 20-0996)

A senior reviewer examines the existing record for clear errors or differences in interpretation. No new evidence may be submitted. This lane is most useful when the veteran believes the prior decision misapplied the law or misinterpreted the evidence already in the record.

Notice of Disagreement to the Board (VA Form 10182)

The veteran appeals directly to the Board of Veterans' Appeals. The veteran chooses one of three docket options — direct review (no new evidence, no hearing), evidence submission (90 days to submit new evidence, no hearing), or hearing (Board hearing with optional evidence submission).

Veterans can move between lanes within the AMA. For example, after a higher-level review denial, a veteran can file a supplemental claim with new evidence within one year of the higher-level review decision to preserve the effective date.

New and Relevant Evidence Standard

The supplemental claim requires new and relevant evidence. This is a deliberately broader and easier-to-meet standard than the old "new and material" requirement under the legacy system.

What "New" Means

New evidence is evidence that was not part of the record at the time of the prior decision. This can include records the VA never had, records that existed but were not associated with the file, or new evidence created after the prior decision (such as a recent imaging study, a new diagnosis, or a new medical opinion).

What "Relevant" Means

Relevant evidence is evidence that tends to prove or disprove a matter at issue. The VA does not require that the new evidence be sufficient by itself to grant the claim — only that it tends to bear on the issue. This is a low threshold designed to ensure veterans have access to review.

Why the Standard Matters

Because the standard is broad, supplemental claims are a powerful tool — but the broader the threshold, the more important it is that the new evidence directly addresses the reasons the prior claim was unfavorable. A piece of evidence that is technically new and relevant but does not engage with the specific deficiencies in the prior record may not change the outcome even if the supplemental claim is properly initiated.

The One-Year Continuity Rule

One of the most important strategic considerations in filing a supplemental claim is the effective date. If a supplemental claim is filed within one year of a prior decision (whether the prior decision was a rating decision, higher-level review, or Board decision), the original effective date is preserved for any benefits ultimately granted.

Filing more than one year after the prior decision means that any benefits ultimately granted will have a later effective date — typically the date the supplemental claim was filed. This can result in significantly less retroactive payment when benefits are granted. Veterans who anticipate needing additional time to develop evidence should consider filing a placeholder supplemental claim within the one-year window to preserve the effective date, then continuing to develop the record.

Read the Prior Decision Carefully

Before submitting a supplemental claim, the veteran (or representative) should read the prior decision in detail. The decision identifies the specific reasons the issue was decided unfavorably. Common reasons include:

• No current diagnosis — the VA found insufficient evidence of a current medical condition.
• No in-service event, injury, or exposure — the VA found no documentation of a relevant in-service incident.
• No medical nexus — the VA acknowledged a current diagnosis and an in-service event but found insufficient medical evidence linking the two.
• Insufficient severity for compensable rating — the VA acknowledged service connection but found the condition did not meet the criteria for a compensable rating.
• Pre-existing condition not aggravated — the VA found that a condition existed before service and was not permanently worsened by service activity.
• Conflicting medical opinions — the VA found a private opinion outweighed by the C&P examiner's opinion.

The new and relevant evidence submitted in the supplemental claim should directly address whichever specific reason the prior decision was unfavorable. Mismatched evidence — for example, additional treatment records when the issue was a missing nexus opinion — does not move the claim forward.

Types of Evidence That Strengthen a Refiled Claim

The most useful new and relevant evidence depends on the specific deficiency in the prior record. Common categories include the following.

A New Medical Opinion

When the prior decision was unfavorable due to a missing or weak nexus, a thorough records-based medical opinion from a licensed physician is often the strongest form of new evidence. The opinion must use the "at least as likely as not" standard, address the specific in-service event, cite the relevant records, and articulate the medical rationale.

Updated Medical Records

Recent treatment records can establish current severity, document new symptoms, or provide a current diagnosis where one was previously absent. VA medical center records, private treatment records, and physical therapy notes all qualify.

Diagnostic Imaging and Test Results

Recent X-rays, MRIs, sleep studies, neuropsychological testing, audiograms, or laboratory results can establish a current diagnosis, document progression, or characterize the condition more precisely than was possible at the time of the prior decision.

Service Treatment Records Not Previously Reviewed

Sometimes service records exist that were not associated with the claim file at the time of the prior decision — particularly for veterans who served before fully digitized record-keeping. Locating and submitting these records can establish an in-service event the VA had not previously seen.

Buddy Statements and Lay Evidence

Statements from fellow service members, family members, or others who can describe symptoms or in-service events can corroborate the veteran's account. Lay evidence is particularly important when service treatment records are silent on a chronic complaint that the veteran nonetheless experienced.

Personal Statement

A detailed personal statement from the veteran can provide context that the prior record lacked — describing the in-service event in detail, the progression of symptoms, the impact on occupational and social functioning, and how the condition has changed over time.

The Role of a Nexus Letter

When the prior decision was unfavorable due to insufficient medical evidence linking the condition to service, a nexus letter is often the single most impactful piece of new and relevant evidence. A strong nexus letter for a supplemental claim has the following characteristics.

Authored by a Licensed Physician

An MD or DO opinion carries the most evidentiary weight. For mental health conditions, a licensed clinical psychologist (PhD or PsyD) is appropriate. The letter should be on the provider's letterhead and signed.

Addresses the Specific Deficiency

If the prior denial cited a lack of medical nexus, the new opinion should directly engage with the medical reasoning the prior examiner used and explain why a different conclusion is appropriate. If the prior denial cited a lack of in-service event documentation, lay evidence and the medical opinion should together establish the basis.

Uses the Correct Legal Standard

The VA standard is "at least as likely as not" — 50 percent or greater probability. Hedging language like "possibly related" or "could have contributed" is below the threshold and may not satisfy the standard.

Conducts a Records-Based Review

The opinion should explicitly state that the physician reviewed the service treatment records, post-service medical records, prior C&P examination, and any other relevant materials before forming the opinion.

Articulates Detailed Rationale

The strongest opinions explain the medical reasoning — citing the specific in-service mechanism, the known clinical literature on the relationship, and the chronological development of the condition.

How to File VA Form 20-0995

VA Form 20-0995 (Decision Review Request: Supplemental Claim) can be filed online through VA.gov, by mail, or through an accredited representative. The form requires the veteran to:

• Identify the issue or issues being reconsidered.
• Identify the new and relevant evidence being submitted or to be developed.
• Indicate whether the veteran wants the VA to obtain specific records (which triggers the duty to assist).
• Sign and date the form.

The supplemental claim form should be submitted along with — or followed promptly by — the new evidence itself. The VA generally aims to complete supplemental claim adjudication within 125 days, though processing times vary. Filing through an accredited Veterans Service Organization (VSO), accredited claims agent, or VA-accredited attorney can help ensure the claim is properly developed.