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Nexus Letter for Secondary Condition: The Ultimate Guide (Sample Letter)

nexus letter for secondary condition

Veterans pursuing VA disability claims often face complex regulations and procedures. A crucial component to bolster your claim for secondary conditions is a well-crafted nexus letter. This document connects your primary service-connected disability to a secondary condition, serving as essential evidence. In this guide, we’ll explore why you might need a nexus letter for secondary conditions, how to obtain one, and tips for strengthening medical reports associated with your VA claim.

What are VA Secondary Conditions? 

A secondary condition is a medical condition that develops from or is worsened by an existing service-connected disability. For instance, if a veteran suffers from service-connected hypertension and later develops a heart condition or stroke as a result. These new conditions could be claimed as secondary to the original high blood pressure. 

However, service-connected TMJ (temporomandibular joint disorder) cannot be claimed as the cause of unrelated conditions like a heart condition without strong evidence. The connection must be medically justified and documented to strengthen the claim for the secondary condition, showing how the primary service-connected condition has directly caused or aggravated the secondary condition.

Examples of Secondary Conditions and Their Nexus

Secondary service-connected conditions can develop due to physical strain, mental health impacts, or chronic symptoms of a primary disability. Below are common scenarios:

  • Sleep Apnea Secondary to Tinnitus: Veterans with service-connected tinnitus may struggle with sleep apnea due to persistent sleep disruptions. While there may not be an obvious strong link between these two conditions, often an intermediary mental health disorder may be contributing.
  • Depression Secondary to Chronic Pain: A veteran with chronic pain from a knee injury might develop depression due to the limitations imposed by their condition.
  • Hypertension Secondary to PTSD: High stress from post-traumatic stress disorder (PTSD) can contribute to elevated blood pressure.
  • Arthritis Secondary to Joint Injuries: An initial knee injury can lead to arthritis in the same or related joints.

In each case, a nexus letter may play a pivotal role by outlining the connection between the primary and secondary conditions.While never required, these reports can help demonstrate the relationship.

Secondary Service Connection by Aggravation 

A secondary condition due to aggravation refers to a disability that was not initially caused by a service-connected illness or injury but has been significantly worsened as a result of it. This makes the condition a distinct health issue that may qualify for VA disability benefits. 

For example, if a veteran with a service-connected knee injury experiences limited mobility that leads to obesity, this can worsen an existing hiatal hernia. The added weight increases abdominal pressure, worsening symptoms like acid reflux and pain. While the hernia wasn’t originally service-connected, its aggravation due to the knee injury’s effect on mobility may justify a higher disability rating. 

Impact of Secondary Conditions on VA Disability Ratings 

Identifying and filing claims for secondary disabilities can have a profound impact on your overall VA benefits. The VA uses a combined rating system to calculate the total effect of multiple service-connected conditions. If a veteran is awarded a rating for a secondary condition, this percentage is factored into their primary rating using the VA’s combined ratings table, potentially increasing monthly compensation.

Example: A veteran with a primary service-connected condition rated at 40% could receive an additional 30% for a related secondary condition. However, the final combined rating won’t simply total 70%. The VA applies a specific formula to determine a more accurate combined rating, often resulting in a final percentage closer to 58-62%, which directly results in higher monthly benefits for the veteran.

Is a Nexus Letter Required for Secondary Condition? 

A nexus letter is a professional medical statement that links your secondary condition to your primary service-connected disability. This connection helps establish that your secondary disability was either caused or worsened by your existing service-related condition. While not legally required, the letter serves as credible evidence and can greatly influence the outcome of your VA claim in some circumstances. 

For instance, if a veteran with service-connected tinnitus develops sleep apnea, a nexus letter can demonstrate that the sleep apnea is secondary to tinnitus by way of an intermediate step of depression or anxiety. Similarly, veterans with PTSD might experience secondary conditions such as depression or hypertension, where a nexus letter proves the relationship.

To meet VA requirements, the language in a Nexus Letter must align with the “as likely as not” standard. This phrasing indicates a 50% or greater probability that the secondary condition is linked to the primary service-connected condition. Hence, the answer to the question of whether you need a nexus letter for a secondary condition is yes in some cases. It is always best to discuss this with an accredited legal professional to obtain expert guidance on the specifics of your case. 

What Makes a VA Nexus Letter Effective?

An effective nexus letter is often crucial in establishing secondary service connection for VA claims in some instances. Below are the four key components that help strengthen the letter’s credibility, increasing the likelihood of disability claim approval. 

  1. Physician’s Credentials: The qualifications of the physician writing the letter, including their expertise and experience in the relevant field.
  2. Review of Medical and Military Records: Evidence that the physician has thoroughly examined the veteran’s medical history and military service records.
  3. Expert Medical Opinion: A clear statement linking the secondary condition to the primary disability, using phrases such as “at least as likely as not.”
  4. Detailed Medical Rationale: An explanation supporting the physician’s opinion, backed by relevant medical literature or case studies.

Sample Nexus Letter for Reference

A well-written nexus letter includes a physician’s credentials, signature, evidence-based rationale, and a nexus opinion. Here is a sample letter for secondary condition written by a medical professional:

“In my professional medical opinion, it is at least as likely as not (a 50% or greater probability) that Mr. Veteran’s sleep apnea is secondary to his service-connected tinnitus with the resulting major depressive disorder and subsequent weight gain as an intermediate step. It is also my professional opinion that it is at least as likely as not that the aforementioned service-connected disabilities caused him to become obese, that the obesity is a result of his service-connected tinnitus to include the resultant major depressive disorder, and that the sleep apnea would not have occurred but for the obesity caused by the aforementioned service-connected disabilities. The persistent ringing in his ears has caused ongoing sleep disturbances, major depressive disorder and weight gain, which are well-documented contributions to the development and worsening of sleep apnea.”

sample letter for sleep apnea secondary to tinnitus

When to File a VA Claim for a Secondary Condition

When a service-connected disability leads to another or aggravated medical condition, filing a VA claim for a secondary condition can secure the benefits you need. Before filing your claim, ensure that a qualified healthcare professional has diagnosed your secondary disability. A formal diagnosis serves as the backbone of your claim, so if you haven’t done so yet, schedule a medical evaluation immediately. 

Once you have a formal diagnosis, gather all relevant medical records such as diagnostic reports and test results. This documentation can strengthen your claim, ensuring greater chances of approval.

How to File a Secondary Claim with the VA

Before initiating your secondary claim, ensure you understand how to use the VA’s veteran-friendly filing system or seek expert advice from a Veterans Service Officer, Accredited Claims Agent or an Attorney. Identify which secondary service conditions are linked to your primary service-connected disability. 

Here’s a step-by-step guide to navigating the VA claims process for secondary conditions:

  1. Get a Formal Diagnosis: Ensure your secondary condition is diagnosed by a professional healthcare provider.
  2. Gather Medical Evidence: Collect medical records, treatment notes, test results, and a nexus letter linking your primary and secondary conditions.
  3. Obtain Supporting Statements: Lay statements from friends, family, or fellow military service members can attest to how your secondary disability affects your daily life.
  4. Complete VA Form 21-526EZ: Fill out this form for disability compensation, including detailed information about both conditions with the assistance of a legal professional when necessary.
  5. Submit Your Claim: File your claim online, by mail, or deliver it to a VA regional office. Veterans can work with an accredited attorney, claims agent, or Veterans Service Organization (VSO) representative who will help them file a disability claim. 
  6. Attend VA Examinations: Be prepared to attend a VA Compensation & Pension (C&P) exam if requested. This evaluation helps the VA better understand the extent and impact of your condition.
  7. Wait for a Decision: Processing times vary, so be patient while your claim is reviewed.

When the VA May Deny Secondary Claims

Not all claims for secondary conditions are approved. Without a solid nexus letter or sufficient medical evidence, the VA may reject a claim. Every case is different and even a solid nexus letter may not be enough to sway a positive decision. The outcome is based upon the totality of evidence not just the nexus letter. Common denials occur when:

  • The connection between the primary and the secondary condition isn’t clear.
  • The condition claimed isn’t commonly associated with the primary disability.

If your secondary claim is denied by the VA, you have the right to submit a supplemental claim with fresh evidence, request a higher-level review, or present your case before the Board of Veterans’ Appeals. When challenging denied secondary claims, additional evidence, including further nexus letters or medical research, may be required. 

Where to Get a Nexus Letter for Secondary Conditions? 

A Nexus letter for secondary conditions can be authored by a qualified medical professional who understands VA standards and terminology. The most common professionals capable of writing nexus letters include:

  • Licensed primary care physicians
  • Specialists (e.g., surgeons or cardiologists)
  • Psychologists for mental health conditions 
  • Nurse practitioner or physician’s assistants
  • Independent Medical Opinion (IMO) Providers 

While not mandatory, choosing a doctor who has recently examined and treated you can strengthen the reliability of the nexus opinion.

Ensure the healthcare professional you choose reviews your complete medical and military service records to support their opinion effectively. Specify clearly the link between your primary service-connected condition and the secondary condition.

If your current doctor cannot assist, an independent medical opinion provider, such as Prestige Veteran, can write you credible nexus letters. Our licensed doctors and healthcare professionals have extensive experience in crafting nexus letters that meet VA requirements.

Strengthen Your Secondary Service Claim with a Nexus Letter 

To ensure the success of your VA disability claim, many VA legal professionals advocate that following these steps can improve your chances of receiving the benefits you deserve. 

  • File an Intent to Claim Early: Your intent to file a VA claim secures your effective date and ensures you receive the maximum benefits you qualify for.
  • Submit Personal and Buddy Statements: Include statements from family or friends that corroborate the progression and impact of your secondary condition.
  • Maintain Documentation: Keep all submitted forms, letters, and evidence well-organized to avoid missing critical details during the review process.
  • Seek Legal Assistance When Needed: Consult with VA-accredited representatives, attorneys, or services for professional guidance.

Conclusion

A nexus letter is a powerful tool for veterans seeking VA disability benefits for secondary conditions. A comprehensive nexus letter can solidify your claim whether the secondary condition is mental health-related or physical. Ensure that your physician includes all necessary elements in their letter, supports it with a medical rationale, and clearly states the connection to your service-connected condition. With thorough preparation and the right documentation, you can navigate the VA claim process more effectively and improve your chances for a favorable decision.

FAQs

Do I need a Nexus letter for secondary conditions?

While not legally required, a nexus letter can be highly beneficial as it provides credible medical evidence linking your secondary condition to your primary service-connected disability.

How do you prove VA secondary conditions? 

To prove VA secondary conditions, you need a formal diagnosis, medical records, and at times a nexus letter can be beneficial in establishing a connection between the primary and secondary conditions.

How to add secondary conditions to VA disability? 

To add secondary conditions, many veterans submit a VA Form 21-526EZ with relevant medical evidence and a nexus letter, then follow the claim process including possible C&P exams. Request expert legal advice for clarification and assistance with this process. 

What should a nexus letter include to connect secondary conditions? 

A strong nexus letter should include the physician’s credentials, a review of medical and military service records, an expert medical opinion with “at least as likely as not” phrasing, and a detailed medical rationale.

Also read: Who Needs a VA Disability Nexus Letter?

At Prestige Veteran Medical Consulting, a veteran-owned company, we specialize in Independent Medical Opinions (IMOs) known as Nexus letters.

Our purpose is to empower YOU, the veteran, to take charge of your medical evidence and provide you with valuable educational tools and research to guide you on your journey.

Understanding the unique challenges veterans face, our commitment lies in delivering exceptional service and support.

Leveraging an extensive network of licensed independent medical professionals, all well-versed in the medical professional aspects of the VA claims process, we review the necessary medical evidence to incorporate in our reports related to your VA Disability Claim.

Prestige Veteran Medical Consulting is not a law firm, accredited claims agent, or affiliated with the Veterans Administration or Veterans Services Organizations. However, we are happy to discuss your case with your accredited VA legal professional.

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Alan’s military and medical background inspired him to form Prestige Veteran Medical Consulting with his
wife, Leah Bucholz, a Physician Assistant and Army Combat Veteran.  He has devoted himself to using his
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active duty, was commissioned as an officer, and subsequently deployed to Afghanistan.  

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