April 21, 1999. A date most veterans never heard of. But if you've ever submitted a nexus letter to the VA — or benefited from one — you owe a debt to a chiropractor from Texas and a federal court ruling that changed everything.
A Veteran Who Happened to Be a Doctor of Chiropractic
Lloyd C. Pond served in the United States Army from August 1948 to May 1952. In 1950, while on active duty, he was involved in a jeep accident — the kind of incident that doesn't make headlines but reshapes a life. The crash injured his lower back and his neck. The VA eventually acknowledged his lumbar spine injury and granted service connection. But his cervical spine? Denied.
Here's what made Lloyd Pond's case different from thousands of other veterans fighting the same battle: Lloyd Pond was a licensed chiropractor.
He understood exactly what had happened to his spine. He understood the anatomy. He understood the mechanism of injury. And he was prepared to say so — professionally — in the form of a medical opinion about his own condition. He submitted a detailed written statement explaining how his cervical spine, specifically the C-1 vertebra, had been subluxated in the accident, and how that spinal misalignment had caused decades of cascading symptoms.
The VA ignored it.
Enter Dr. Keith Denton, D.C.
Lloyd Pond had also been treated by another chiropractor — Dr. Keith E. Denton, D.C. — from April 1967 all the way through March 1987. Two decades of care. Dr. Denton knew this patient's spine as well as anyone alive.
When the VA denied service connection for Pond's cervical spine, Dr. Denton put his professional opinion in writing. His letter to the VA Regional Office stated clearly:
"Dr. Pond's vehicular injury caused cervical spinal trauma, resulting in unilateral spastic contracture to the deep extensor or anti gravity musculature of the entire spinal column... This misalignment of the first cervical vertebrae, caused a loss of function of the inhibitatory control, resulting in increased tonus, or unilateral spastic contracture of the deep extensor musculature."
In plain language: Dr. Denton said the jeep accident caused the neck injury. He explained the mechanism. He explained the treatment. It was, by any reasonable standard, a medical nexus opinion connecting the veteran's current cervical spine condition to his in-service accident.
The VA's Board of Veterans' Appeals rejected it.
Their reasons? Dr. Denton's opinion was (1) based solely on the veteran's history, and (2) not supported by diagnostic or clinical findings.
They also failed to address the veteran's own professional medical opinion at all. Not rejected — ignored. As if a licensed chiropractor's clinical assessment of his own injury didn't exist on the page.
The Court of Appeals for Veterans Claims Weighs In
Pond appealed. The case went to the United States Court of Appeals for Veterans Claims — CAVC Case No. 97-1780. On April 21, 1999, Judges Nebeker, Holdaway, and Greene issued their decision: Pond v. West, 12 Vet.App. 341 (1999).
The Court vacated the Board's decision and remanded the case. In doing so, it laid down principles that would shape VA claims for generations.
On the veteran's own medical opinion, the Court was direct:
"The Board failed to discuss the medical opinion of the appellant himself... The appellant is a medical professional, and he is therefore competent to provide medical nexus evidence... the Board is not free to ignore his opinion."
This was a foundational statement: a licensed medical professional — including a Doctor of Chiropractic — is competent to provide medical nexus evidence. The Board cannot simply look past it.
On the VA's failure to properly develop the record, the Court was equally clear:
"Twice VA requested medical examinations to discuss the etiology of the appellant's cervical spine disorder. In both instances the medical examiners completely ignored those instructions."
The VA had asked its own doctors to address the nexus — and its own doctors had twice failed to do so. The Court held this was a breach of the VA's duty to assist.
The ruling also cited and reinforced the three-element test for service connection, drawn from Caluza v. Brown, 7 Vet.App. 498 (1995):
- Medical evidence of a current disability
- Medical evidence (or in certain circumstances lay testimony) of in-service incurrence or aggravation of a disease or injury
- Medical evidence of a nexus between the current disability and the in-service event
Three elements. Element three — the nexus — is where the letter comes in. And in Pond v. West, it was a chiropractor who tried to provide it, and a chiropractor-veteran whose own professional opinion was dismissed. The Court said: that's not how this works.
Why This Matters — Especially for Chiropractors
Pond v. West didn't just send one veteran's case back for a fair hearing. It established that the Board cannot reject a qualified medical professional's nexus opinion without adequate reasons and bases — and cannot ignore a medical professional's opinion at all, even when that professional is the veteran himself.
It affirmed the principle, already in the case law but now reinforced in this context, that Doctors of Chiropractic are competent to provide medical nexus evidence. Not as a courtesy. Not as a technicality. As a matter of law.
And the scope of that competence is broader than most people realize. Chiropractors today support veterans' claims across a sweeping range of conditions — not just spine and musculoskeletal injuries, but conditions including cancer, sleep apnea, hypertension, mental health disorders, and more. The common thread is the ability to research the medical literature, understand the mechanisms of disease, and connect a veteran's current diagnosis to their military service. That's exactly what Dr. Denton did in 1996 — and what chiropractors continue to do today. You can read what veterans have said about this kind of support firsthand on our Client Reviews page.
The key to understanding how this is possible comes down to one critical distinction: a chiropractor is not diagnosing these conditions. The diagnosis — whether it's cancer, sleep apnea, hypertension, or a mental health disorder — must already be established and verified by the appropriate treating provider before a nexus letter is ever written. Once that diagnosis is on the record, the chiropractor's role is not to diagnose, but to review and address the peer-reviewed medical literature that pertains to that existing diagnosis and build the evidence-based connection to the veteran's military service or service-connected condition. The diagnosis belongs to the specialist. The nexus — the medical bridge between that diagnosis and the veteran's service — is where the chiropractor's analysis lives.
For decades, VA adjudicators had treated chiropractic opinions as second-tier — something to be dismissed with a quick line about "no clinical findings" or "based solely on history." Pond v. West made clear that such dismissals require actual reasons and actual bases. You can't just wave away a D.C.'s professional opinion because it came from a chiropractor.
Today, as a Doctor of Chiropractic who writes nexus letters in support of veterans' claims, I work within a legal framework that Lloyd Pond and Dr. Keith Denton helped build — not by winning their case outright, but by refusing to let bad VA adjudications stand without a fight.
The Bigger Picture
When veterans ask me, "Can a chiropractor write my nexus letter?" — the answer is yes, and the legal foundation for that answer runs through a 1999 case involving a veteran who was a chiropractor and a treating chiropractor who wrote him a letter the VA tried to throw away.
Lloyd Pond fought for service connection for a neck injury he sustained while serving his country in 1950. His own chiropractor backed him up with a professional medical opinion. The VA dismissed both. The federal courts said: no, you don't get to do that.
That's where nexus letters were born.
Every veteran who has submitted a nexus letter — from a chiropractor, a nurse practitioner, a physician's assistant, a specialist — is benefiting from the precedent that case helped establish. The idea that a medical professional's opinion connecting a veteran's current condition to their military service deserves to be addressed on the merits, not discarded because a VA rater didn't agree with it.
Dr. Denton treated his patient for twenty years, wrote a detailed letter explaining the mechanism of injury, and submitted it to the VA. The VA threw it out.
He did it anyway. That's what advocacy looks like.
— Dr. Drew Brennes, D.C.
Nexus Letter Specialist | Veterans' Claims Advocate
