Does Spicer mean my secondary claim will be granted?

No. The decision addresses the legal standard, not the facts of any individual case. A claim still depends on a current diagnosis, documented functional impairment, the established service-connected disability, and medical evidence connecting them on the record.

What is treatment interference?

It describes a record in which the service-connected condition or its treatment blocked, delayed, limited, or complicated care for a separate condition, and the separate condition is functionally worse today than the evidence indicates it would otherwise have been. Spicer involved service-connected leukemia, medication that lowered hematocrit, and a knee replacement that could not safely proceed.

Did Spicer remove the requirements in 38 CFR § 3.310?

No. The court addressed VA's application of § 3.310(b) where it conflicted with the statute. Secondary service connection still requires evidence, and aggravation claims still turn on establishing a baseline level of the non-service-connected condition.

★Secondary Service Connection

Spicer v. McDonough: Secondary VA Claims, "But-For" Causation, and Treatment Interference

Spicer v. McDonough explains that a service-connected disability can support compensation for a separate condition when the present-day disability would not have occurred — or would have been less severe — but for the service-connected condition. That can include cases where the service-connected condition or its treatment interfered with treatment for another condition.

Read the evidence checklist (760) 702-4507

Educational resource. No outcome is guaranteed, and no result depends on this page alone.

Reviewed by Esteban Magallon, VA-Accredited Claims AgentLast updated: 2026-09-16

This resource center explains the decision, translates it into the evidence question a claims file actually has to answer, and points to the post-decision route that may fit. It is educational. Whether any individual claim succeeds depends on the medical and factual record.

The short answer: what Spicer held

The Federal Circuit vacated the adverse decision below and explained that "disability" in 38 U.S.C. § 1110 means a veteran's present-day functional impairment. Where a service-connected disability is a but-for cause of that present impairment, the statute reaches it. The court concluded that VA's application of 38 CFR § 3.310(b) to reject Mr. Spicer's theory was unlawful to that extent, because it conflicted with the statute.

The central question the decision poses is a counterfactual one: what would this veteran's disability look like today if the service-connected condition had never existed? That question is answered with medical evidence about this record, not with a general statement that two conditions often occur together.

The decision did not establish automatic entitlement for every secondary claim, and it is distinct from VA's internal adjudication guidance. The court's holding is controlling appellate authority within its scope; the M21-1 manual is guidance.

The facts of the case

The veteran's leukemia was service connected.
Medication for that condition lowered his hematocrit.
As a result, a planned knee-replacement surgery could not safely proceed.
The unresolved knee disability therefore remained functionally worse than the record indicated it otherwise would have been.

That fact pattern is useful because it shows treatment interference concretely: the disability at issue was not caused by the service-connected condition in the ordinary sense — the service-connected condition stood in the way of the care that could have improved it.

"But-for" causation in plain English

1What is already service connected — including the treatment and medication for it?
2What separate disability is being claimed, and what present functional impairment does it cause?
3Would that disability, or its current level of severity, exist if the service-connected condition, or treatment for it, had not occurred?

Three secondary-claim pathways

Direct causation

Did the service-connected condition cause the separate condition?

Illustration only: a service-connected orthopedic condition alters gait, and the medical evidence addresses whether that altered gait contributed to another joint condition.

Aggravation

Did the service-connected condition make a condition that already existed worse?

Illustration only: medical evidence addresses whether service-connected PTSD worsened the severity or management of an existing headache disorder, and describes the baseline before that worsening.

Treatment interference

Did the service-connected condition, or the treatment for it, block, delay, limit, or complicate care for another condition?

Illustration only: medication or clinical risk from a service-connected condition prevents a surgery, rehabilitation course, or other treatment that the record indicates could have reduced impairment.

The examples above are illustrations of how a theory is framed. They are not statements that any such claim would be granted.

What evidence makes a Spicer theory credible

A current diagnosis of the claimed condition, with documented functional impairment — not just a diagnosis on paper.

Documentation of the established service-connected disability and its treatment history, including medications.

Records showing the treatment barrier itself: a cancelled procedure, a medication contraindication, a failed surgical clearance, a delayed referral, an inability to participate in rehabilitation, or a specialist's written recommendation.

A clinician's explanation of the counterfactual — whether the claimed disability would have been less severe, more treatable, or more functional absent the service-connected disability or its treatment.

A medical opinion that reasons through causation or aggravation directly, rather than only stating that two conditions are 'associated with' or 'related to' each other.

The full evidence checklist walks through each document and what it needs to establish.

What we would look for in the record

Take the case pattern itself. A veteran has service-connected leukemia and takes medication that makes elective surgery unsafe. They have severe knee arthritis, and an orthopedic surgeon documents that knee replacement would otherwise be recommended but cannot proceed because of treatment-related risk.

A Spicer analysis is not simply "the veteran has leukemia and arthritis." It asks whether the knee-related functional impairment is more severe today because the service-connected condition, or its treatment, prevented care that could have improved it. The record has to establish that sequence medically.

What in the treatment timeline establishes interference?
Is the barrier documented by the treating specialist, in their own words?
Does the record show the blocked treatment was clinically appropriate?
Does the medical opinion identify a current functional consequence?
Did VA address both causation and aggravation theories, or only one?
Did VA rely on an examination opinion that never addresses the treatment barrier or the counterfactual?

What Spicer does not mean

It does not eliminate the need for evidence.
It does not mean any two medical problems are secondarily connected.
It does not mean every treatment delay establishes service connection.
It does not replace the requirement to show a current disability and present functional impairment.
It does not guarantee any particular rating, effective date, or appeal outcome.

Where Spicer matters procedurally

Supplemental Claim

Considered when new and relevant evidence — such as a specialist's account of the treatment barrier — can address a missing element.

Higher-Level Review

Considered when the argument is that VA applied the wrong standard, or overlooked evidence already of record. No new evidence is added.

Board appeal

Considered when the legal question or the disputed medical evidence warrants review by a Veterans Law Judge.

Secondary service connection

The underlying framework under 38 CFR § 3.310, including how aggravation is evaluated against a documented baseline.

Nexus evidence and medical opinions

What a persuasive medical opinion addresses, and why conclusory wording tends to carry little weight.

Effective dates

Where the date an issue was raised, and the finality of an earlier decision, affect what a later grant can pay.

Guides in this resource center

Treatment interference in secondary VA claimsWhen care for another condition was delayed, blocked, or made unsafe by a service-connected disability or its medication.Evidence checklist for a Spicer-based claimWhat the record needs to show, document by document, before the theory is credible.Secondary aggravation after SpicerHow aggravation of a non-service-connected condition is evaluated, and what a baseline finding requires.What a nexus opinion should addressThe reasoning a medical opinion needs to set out, including the counterfactual and the current functional consequence.VA denied secondary service connection — what now?Reading the denial for the specific error, and choosing between the post-decision lanes.The case overview articleOur original explainer on the decision itself and the standard the Federal Circuit described.

Spicer v. McDonough — frequently asked

What did Spicer v. McDonough decide?: The Federal Circuit vacated an adverse decision and explained that the governing compensation statute, 38 U.S.C. § 1110, reaches a veteran's present-day functional impairment where a service-connected disability is a but-for cause of that impairment. It held that VA's application of 38 CFR § 3.310(b) to reject that theory was unlawful to that extent. It did not create automatic entitlement for secondary claims.
Does Spicer mean my secondary claim will be granted?: No. The decision addresses the legal standard, not the facts of any individual case. A claim still depends on a current diagnosis, documented functional impairment, the established service-connected disability, and medical evidence connecting them on the record.
What is 'but-for' causation in plain English?: It asks a counterfactual question: would the present disability, or its present level of severity, exist if the service-connected condition — or the treatment for it — had not occurred? The answer has to come from the medical evidence, not from the sequence of diagnoses alone.
What is treatment interference?: It describes a record in which the service-connected condition or its treatment blocked, delayed, limited, or complicated care for a separate condition, and the separate condition is functionally worse today than the evidence indicates it would otherwise have been. Spicer involved service-connected leukemia, medication that lowered hematocrit, and a knee replacement that could not safely proceed.
Did Spicer remove the requirements in 38 CFR § 3.310?: No. The court addressed VA's application of § 3.310(b) where it conflicted with the statute. Secondary service connection still requires evidence, and aggravation claims still turn on establishing a baseline level of the non-service-connected condition.
What does a review cost, and does it commit me to anything?: The consultation is free and does not create an agent-client relationship. Oakridge Claims evaluates potential representation only after reviewing the facts and procedural posture of a case. Filing independently, or with a free accredited Veterans Service Organization, always remains an option.

Get your decision reviewed

Was treatment for another condition delayed, denied, cancelled, or made unsafe because of your service-connected disability or its medication? Oakridge Claims can review whether the decision and the medical record support a secondary-service-connection or aggravation theory. Bring your decision letter and the relevant specialist, surgery, or treatment notes.

Important: Oakridge Claims evaluates potential representation only after reviewing the facts and procedural posture of a case. Submitting information does not create an agent-client relationship. Veterans may seek free assistance from VA-accredited Veterans Service Organizations. Fee terms are set out in full on the fees page.

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Disclaimer: Oakridge Claims is a private business and is not affiliated with, endorsed by, or operated by the U.S. Department of Veterans Affairs. No specific outcome, rating, or approval can be guaranteed — results depend on the individual facts of each case and applicable law.