One of the most important and misunderstood pieces of evidence in a VA disability claim is the nexus letter. If your claim has been denied or your rating feels too low, understanding this document could change everything.
What Is a Nexus Letter?
A nexus letter is a written medical opinion that establishes a connection, or “nexus,” between your current diagnosis and your military service. In VA law, this connection is called service connection, and proving it is essential to receiving benefits.
The letter is written by a qualified medical or mental health professional and must meet specific standards to be taken seriously by the VA.
What Makes a Strong Nexus Letter?
A credible nexus letter is not simply a doctor saying “I think this is related to service.” The VA looks for opinions that are well-reasoned and based on a thorough review of the evidence. A strong letter typically includes:
- A review of your service records, treatment history, and relevant medical literature
- A clear diagnosis using recognized diagnostic criteria (such as the DSM-5 for mental health conditions)
- A medical opinion stated to the standard of “at least as likely as not,” the legal threshold the VA requires
- A rationale explaining why the examiner reached that conclusion
Do You Need One?
Not every claim requires a nexus letter, but many veterans benefit from one, especially in these situations:
- Your claim was denied due to lack of service connection
- The VA’s own C&P examiner gave a negative or inadequate opinion
- Your condition developed years after service and the link isn’t obvious
- You have a secondary condition caused or worsened by a service-connected disability
Who Can Write One?
Nexus letters should be written by licensed medical or mental health professionals with relevant expertise. For mental health claims, a forensic psychologist or psychiatrist with experience in VA evaluations is best positioned to provide an opinion that will withstand VA scrutiny.
Who Receives the Report
The completed report is provided directly to you. If an attorney referred you, the report may be shared with that attorney following your signed authorization. Dr. Howard does not share evaluation findings with the VA or any other party without your written consent.
An independent psychological evaluation documents clinical findings. It does not guarantee a favorable VA rating decision, a service connection finding, or any particular outcome in your claim. All rating decisions are made exclusively by the VA.