Nexus letter vs. the VA’s C&P exam: what the Board weighed
The VA’s exam and a private nexus letter answer the same question: is your condition linked to your service? Here is how the Board weighed one against the other in real appeals.
A C&P exam is the VA’s own claim exam. The VA asks for one only when it needs more information to decide your claim. A nexus letter is a signed medical opinion, from a clinician you choose, that links a current condition to your service.
If your C&P exam already went against you: your decision letter names the exam the VA relied on. We read that exam next to your records, page by page.
If your C&P exam hasn’t happened yet: the points below are what the Board weighed when the VA exam and a private opinion disagreed. A letter can cover them from the start.
How the C&P exam and a nexus letter differ
- The VA starts the C&P exam. You can’t schedule it yourself, and in most cases it costs you nothing. You choose the clinician who writes a nexus letter, and you pay for it.
- Both count as medical evidence. The VA calls it competent when it comes from someone qualified by education, training, or experience to give a medical opinion.
- Where the VA exam fell short in these appeals: it skipped what the records and the veteran said. Veterans say the examiner “hasn’t looked at my records.” One VA examiner said there were no back complaints in service when the separation exam showed one.
- Where private letters fell short: a conclusion with no reasons. One said the knee was fine before service, so service must have caused it. The Board went with the VA exam.
What the Board looked for
“Probative” is the Board’s word for convincing. In each of these appeals, the Board had a VA exam and a private opinion side by side.
A back claim where the VA exam missed the records.Granted · 2022
“The March 2021 examiner’s opinion does not show adequate consideration of the lay evidence.”
The VA examiner said there were no back complaints in service. The separation exam and a training-injury report said otherwise. The private doctor’s opinion took in the veteran’s own account, and the Board relied on it.
Read decision A22020338 on VA.gov (opens in a new tab)Sleep apnea where the VA exam ignored the private opinion.Granted · 2024
“Nor did the VA examiner address the favorable opinion itself which noted a causative link between the Veteran’s psychiatric condition and sleep apnea.”
A private physician linked this veteran’s sleep apnea to his service-connected anxiety and cited a medical article. The VA examiner never addressed the article or the opinion.
Read decision A24041353 on VA.gov (opens in a new tab)A private letter that lost to the VA exam.Denied · 2026
“The May 2025 private medical report does not provide an adequate rationale to support his opinion that the Veteran’s left knee disability is related to his service and merely concludes that because the Veteran did not have knee problems prior to service, his knee disability must be related to service.”
The VA examiner examined the veteran, read the records, and explained the answer. The private letter only said the knees were fine before service. The Board went with the VA exam.
Read decision A26069266 on VA.gov (opens in a new tab)
What makes a nexus letter hold up next to a C&P exam
From the opinions the Board found convincing:
- Starts from your whole file: service records, your VA file, and your treatment since.
- Comes from a clinician qualified to give a medical opinion.
- Gives reasons, not just a conclusion. “Fine before service” isn’t a reason.
- Uses your own account and what others saw, and checks it against the records.
- Takes on the C&P exam point by point when there is one.
- Names the pages it relied on, so anyone can check them.
See what your records support
Our Nexus Check reads every page you send and cites the page for each finding, including pages that work against the claim. It’s free. If you request a letter, we draft it, and a licensed clinician reviews it, edits it and signs only what they support.
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We don’t file claims or contact the VA for you. You or your accredited representative decide how to submit your evidence.
Public Board of Veterans’ Appeals decisions. These veterans weren’t Anchorpoint clients. Every claim is decided on its own evidence.