Crohn's Disease VA Claims Guide

Crohn's disease is a form of inflammatory bowel disease (IBD): a structural, autoimmune disease that causes real, visible inflammation anywhere from the mouth to the anus. As of the May 19, 2024 digestive-system update, the VA rates Crohn's under its own diagnostic code, DC 7326, on a ladder from 10 to 100 percent that keys off severity, the treatment controlling it, and signs of systemic toxicity. This guide explains the rating levels, the service-connection and toxic-exposure paths, the secondary conditions Crohn's causes, and the evidence published decisions turn on. It is a reference, not advice about your specific claim.

What Crohn's Disease Is

Crohn's is one of the two main inflammatory bowel diseases; ulcerative colitis is the other. Unlike irritable bowel syndrome, which is "functional" and shows normal scopes, Crohn's is structural: it produces inflammation and tissue damage that is confirmed on endoscopy or imaging. It can affect any part of the digestive tract and tends to involve the full thickness of the bowel wall, which is why complications like strictures, fistulas, and abscesses are part of the picture. The diagnosis must be confirmed by endoscopy or radiologic study, and that requirement is written into how the VA rates it.

How Crohn's Disease Gets Service Connected

Crohn's is not on a presumptive list. As a diagnosable autoimmune disease, it does not ride the Gulf War functional-illness presumptive (38 CFR 3.317) the way IBS can. It is established by the ordinary paths.

Direct service connection

A current diagnosis, an in-service event or symptom onset, and a medical nexus. Service treatment records showing unexplained abdominal pain, chronic diarrhea, or weight loss during service strengthen the timeline even when the formal diagnosis came after separation. See service connection.

Toxic exposure

Crohn's is not a presumptive toxic-exposure condition, but documented exposure can support a direct nexus. Burn pits and airborne hazards, Gulf War service, or contaminated water at Camp Lejeune are raised as direct-nexus theories where the evidence shows exposure and a medical link. The Board has granted IBD as related to a toxic-exposure risk activity on that kind of record. See PACT Act and toxic-exposure appeals.

Secondary service connection

  • Mental health (gut-brain axis): research connects PTSD and chronic stress to inflammatory bowel disease through stress-hormone and immune disruption. A nexus opinion can tie Crohn's onset or worsening to service-connected PTSD, anxiety, or depression. See the PTSD guide.
  • Autoimmune overlap: conditions like psoriasis share immune-mediated roots with Crohn's, and a documented service-connected autoimmune condition can support a secondary theory.
  • Medication-induced: long-term medication taken for a service-connected condition that aggravates the GI tract.

How the VA Rates Crohn's Disease, DC 7326

The 2024 criteria rate Crohn's on severity, the treatment that controls it, and signs of systemic toxicity (fever, tachycardia, or anemia). Whether you are on a biologic or immunosuppressant is built directly into the ladder.

100%Severe, unresponsive to treatment

Severe inflammatory bowel disease unresponsive to treatment, requiring hospitalization at least once per year, and either causing inability to work or recurrent abdominal pain with at least two of: six or more daily episodes of diarrhea; six or more daily episodes of rectal bleeding; recurrent rectal incontinence; or recurrent abdominal distension.

60%Moderate, on immunosuppressants or biologics

Moderate inflammatory bowel disease managed on an outpatient basis with immunosuppressants or biologic agents, with recurrent abdominal pain, four to five daily episodes of diarrhea, and intermittent signs of toxicity (fever, tachycardia, or anemia).

30%Mild to moderate, oral/topical agents only

Mild to moderate inflammatory bowel disease managed with oral and topical agents (other than immunosuppressants or biologics), with recurrent abdominal pain, three or fewer daily episodes of diarrhea, and minimal signs of toxicity.

10%Minimal to mild, no systemic toxicity

Minimal to mild symptomatic inflammatory bowel disease managed with oral or topical agents (other than immunosuppressants or biologics), with recurrent abdominal pain, three or fewer daily episodes of diarrhea, and no signs of systemic toxicity.

The treatment you are on is part of the rating. Being on a biologic or immunosuppressant on an outpatient basis (Humira, Remicade, Stelara, methotrexate, and similar) is written into the 60 percent level. After a colectomy or colostomy with persistent symptoms, the VA rates under DC 7326 or DC 7329 (resection of the large intestine), whichever gives the higher rating. Make sure the file clearly shows what you take and any surgeries, not just symptoms.

Go deeper: open the full DC 7326 breakdown
  • What the VA measures at your C&P exam
  • Evidence that has won at the Board
  • Inside the rater's playbook: grant, denial, and remand rates
  • Secondary condition map
See the full DC 7326 breakdown →

The 2024 Change, and the Increase Opportunity

Before May 19, 2024, Crohn's had no dedicated diagnostic code and was rated by analogy, usually under ulcerative colitis (DC 7323). The digestive-system amendment created DC 7326 for Crohn's and inflammatory bowel disease and rewrote the criteria around treatment and toxicity.

The VA does not automatically re-rate you under the new criteria. If you were rated under the old system and your Crohn's is now controlled by a biologic or immunosuppressant, or has worsened, being considered under the new 60 and 100 percent levels generally requires filing for an increased evaluation. Claims pending on May 19, 2024 are considered under both old and new criteria, whichever is more favorable. A long-standing protected rating is not cut just for asking, but read the rating-protection rules first.

Secondary Conditions Crohn's Commonly Causes

Crohn's reaches well beyond the gut. These complications, sometimes called extraintestinal manifestations, are frequently rated as their own service-connected conditions once Crohn's is service-connected, each with its own diagnosis and nexus.

  • Arthritis and joint pain. Up to a third of people with Crohn's develop inflammatory joint disease, part of the spondyloarthritis family, affecting the knees, hips, or spine.
  • Perianal fistulas and skin lesions. Infected tunnels near the anus and other skin involvement that may require surgery and can be rated separately.
  • Anemia. From chronic intestinal blood loss or poor absorption of iron, B12, or folate.
  • Mental health conditions. Depression, anxiety, and insomnia tied to chronic pain, dietary limits, and the unpredictability of flares, rated under 38 CFR 4.130.
  • Colorectal cancer risk. Long-standing inflammation raises colorectal cancer risk; a cancer diagnosis linked to chronic Crohn's inflammation can be claimed as secondary.

See the secondary conditions overview and the secondary map on the DC 7326 page.

Evidence That Wins These Claims

  • A confirmed diagnosis: the endoscopy or imaging report. Confirmation by endoscopy or radiologic study is part of the rating criteria.
  • Treatment records that name the medication. Whether you are on a biologic or immunosuppressant is built into the 60 percent level.
  • A symptom diary recording daily diarrhea episodes, which separate the rating levels.
  • Hospitalization records, which feed the 100 percent level, and any surgical records (colectomy, resection).
  • The intestinal-conditions DBQ, which captures episode frequency, toxicity signs, and treatment type. See the DBQ guide.
  • A nexus letter for service connection, or a buddy/lay statement on symptom continuity since service. See nexus letters and buddy statements.

Common Mistakes

  • Records that don't name the treatment. The 60 percent level requires being on a biologic or immunosuppressant. A file that documents symptoms but not the medication leaves the rater without the fact that sets that level.
  • No diarrhea-frequency record. The ladder turns on three-or-fewer, four-to-five, or six-or-more daily episodes. Notes that describe "frequent diarrhea" without a count leave the percentage unsupported.
  • An old rating left untouched. A pre-2024 rating, often assigned by analogy under 7323, is not updated automatically; reaching the new 60 or 100 percent level generally requires filing for an increase.
  • Treating Crohn's like IBS. IBS (DC 7319) caps at 30 percent and needs no scope; Crohn's requires endoscopic confirmation and can reach 100 percent. Filing the wrong one undersells a far more serious disease.

Frequently Asked Questions

Is Crohn's disease a Gulf War presumptive?
No, not as a functional Gulf War illness. Crohn's is a structural, diagnosable autoimmune disease, so it does not ride the 38 CFR 3.317 functional-disorder presumptive that can cover IBS. It is service-connected directly, through a documented toxic exposure, or as secondary to another condition.
What is the highest VA rating for Crohn's disease?
100 percent is the maximum schedular rating under DC 7326, reserved for severe disease that is unresponsive to treatment, requires yearly hospitalization, and causes inability to work or the listed severe symptoms. Veterans whose Crohn's prevents steady work may also pursue a 100 percent rate through TDIU.
I was rated for Crohn's before 2024. Should I do anything?
The VA will not re-rate you automatically under the new DC 7326 criteria. If your Crohn's has worsened or is now controlled by a biologic or immunosuppressant, being considered under the 60 or 100 percent levels generally requires filing for an increased evaluation. A long-standing protected rating is not cut simply for asking, but read the rating-protection rules first.
Does being on a biologic raise my rating?
It can. The 60 percent level is written around moderate IBD managed on an outpatient basis with immunosuppressants or biologic agents, along with the listed pain, diarrhea, and toxicity signs. The medication is part of the criteria, so records naming it matter.
How is Crohn's different from ulcerative colitis for rating?
They use the same rating ladder, but different diagnostic codes: Crohn's is DC 7326 and ulcerative colitis is DC 7323. Crohn's can involve any part of the GI tract and the full bowel wall; ulcerative colitis is limited to the colon and rectum.

Related Tools and Guides

DC 7326, Crohn's Disease / IBD
The per-code page with the full rating levels, C&P exam tips, and BVA grant data.
Ulcerative Colitis Guide
The other inflammatory bowel disease, DC 7323, on the same rating ladder.
IBS and IBD Claims Guide
How IBD differs from irritable bowel syndrome (DC 7319), and the Gulf War presumptive for IBS.
Toxic Exposure (TERA) Appeals
and the PACT Act, the exposure paths for inflammatory bowel disease.
PTSD Claims Guide
The gut-brain secondary path for Crohn's.
DBQ Guide
and Nexus Letters, the evidence pieces these claims turn on.

Sources: 38 CFR 4.114, digestive system rating schedule (DC 7326) · Federal Register, Schedule for Rating Disabilities: The Digestive System (effective May 19, 2024) · VA News, VA updates the digestive-system rating schedule. This guide is educational, not legal or medical advice, and not a prediction of any individual claim outcome. Rating criteria change; confirm current details in 38 CFR 4.114. For help with your own claim, talk to a VA-accredited representative.