How Do VA Claims Work for IBS? A Veteran’s Guide to Gastrointestinal Disability Benefits

For many veterans, digestive disorders are more than just uncomfortable — they’re disruptive, painful, and often debilitating. Irritable Bowel Syndrome (IBS) is one of the most commonly reported gastrointestinal conditions among former service members, especially those who served in the Gulf War era or experienced high-stress deployments.

But can IBS be rated by the VA? Yes — and if you’re suffering from chronic bowel issues related to your service, you may qualify for monthly compensation. In this blog, we break down how VA claims for IBS work, including eligibility, rating schedules, evidence tips, and the importance of service connection.

What Is IBS and Why Do Veterans Suffer from It?

Irritable Bowel Syndrome (IBS) is a chronic disorder that affects the large intestine. Its symptoms include:

• Abdominal pain or cramping

• Bloating and gas

• Diarrhea, constipation, or alternating between both

• Urgent bowel movements, often unpredictable

While the exact cause is unknown, stress, environmental exposures, diet, and trauma can all trigger or worsen IBS symptoms.

For veterans, IBS can stem from:

• Combat stress and anxiety

• Environmental exposures (e.g., burn pits, contaminated water)

• Undiagnosed infections acquired during deployment

• Psychological conditions like PTSD

VA Recognizes IBS as a Compensable Disability

The Department of Veterans Affairs does recognize IBS as a ratable condition under 38 CFR § 4.114 – Diagnostic Code 7319, which covers “Irritable Colon Syndrome.”

To receive compensation, veterans must demonstrate that their IBS is:

1. Service-connected (directly or secondarily)

2. Diagnosed by a medical professional

3. Causing chronic and ongoing symptoms

VA Rating Criteria for IBS

The VA rates IBS based on the severity and frequency of symptoms. Here’s a breakdown:

The 30% rating is the highest available for IBS under the VA schedule, and it requires persistent and significant symptoms.

How to Prove Service Connection for IBS

To win your IBS claim, you need to establish a nexus between your IBS and your military service. There are three main ways:

1. Direct Service Connection

You must show that your IBS started during service and has persisted since.

Example: If your medical records show consistent complaints about gastrointestinal symptoms while you were active duty, this can support a direct connection.

2. Secondary Service Connection

IBS may develop as a result of another service-connected condition, such as:

• PTSD (stress exacerbates gut issues)

• Depression or anxiety

• Medication side effects

A nexus letter from your doctor or VA specialist linking your IBS to your primary condition is essential for this type of claim.

3. Presumptive Service Connection (Gulf War Syndrome)

Veterans who served in the Southwest Asia theater of operations after August 2, 1990 — including Iraq, Kuwait, and Saudi Arabia — may qualify under Gulf War Presumption.

The VA presumes service connection for functional gastrointestinal disorders (like IBS) if symptoms:

• Began during or after Gulf War service

• Have lasted at least six months

• Are unexplained by any other medical condition

This removes the need to prove a direct cause—one of the few cases where the burden of proof is significantly lowered for veterans.

Common Challenges with IBS Claims

Despite the recognition, IBS claims can be challenging to win without strong evidence. Here are some common issues:

• Lack of documentation: Veterans often don’t report bowel issues out of embarrassment, leaving gaps in their service medical records.

• Misdiagnosis: IBS symptoms may overlap with other conditions like Crohn’s disease or ulcerative colitis.

• C&P exam inconsistencies: A Compensation & Pension examiner may downplay symptoms unless clearly documented.

That’s why it’s critical to have a solid evidence strategy.

What Evidence Helps an IBS Claim?

To maximize your chance of approval, submit the following:

Medical Evidence:

• A clear diagnosis of IBS from a licensed provider

• Medical records detailing symptom frequency and severity

• Test results ruling out other GI conditions

Lay Evidence:

• Personal statement describing your symptoms, triggers, and how it affects your daily life

• Buddy statements from your spouse, friends, or coworkers who observe your condition

Specialist Opinions:

• A nexus letter from a gastroenterologist or VA physician can tie IBS to your service or another condition

💡 Pro Tip: Use a bowel symptom diary to track episodes, triggers, and their effect on your work and lifestyle.

Secondary and Aggravated Claims for IBS

Even if your IBS didn’t start during service, you can still file it as secondary to:

• PTSD (stress → GI dysfunction)

• Traumatic brain injury (neuro-gut issues)

• Chronic pain meds (e.g., opioids causing constipation)

• Depression or anxiety (gut-brain axis disruption)

Or, if your IBS preexisted service but got worse because of it, you can file an aggravation claim. The VA must determine whether your condition worsened beyond its natural progression due to service.

IBS and TDIU: Can It Affect Your Ability to Work?

While IBS is capped at a 30% rating, its effects can be functionally disabling, especially if you:

• Need frequent bathroom breaks

• Avoid long commutes or travel

• Miss work due to abdominal pain or flare-ups

If your IBS (alone or combined with other conditions) prevents substantial gainful employment, you may qualify for Total Disability Individual Unemployability (TDIU) benefits.

Example: A veteran rated at 30% for IBS and 50% for PTSD may not be able to work due to panic attacks and bowel dysfunction. They could be eligible for TDIU and receive compensation at the 100% rate.

Filing Your Claim: Step-by-Step

1. Gather your evidence: Focus on diagnosis, symptom frequency, and any related service-connected condition.

2. File through VA.gov or with a VSO.

3. Attend your C&P exam: Be candid and detailed.

4. Appeal if necessary: If you’re denied, file a Supplemental Claim with more evidence or request a Higher-Level Review.

Final Thoughts: Don’t Suffer in Silence with IBS

IBS isn’t just an “inconvenience.” It can disrupt your career, social life, and mental health. If your military service contributed to your condition—or made it worse—you may be entitled to VA disability compensation.

Many veterans hesitate to talk about IBS symptoms due to embarrassment or misunderstanding. But getting support and proper documentation can make a significant difference in your health and your benefits.