IBS denied..File HLR or submit claim as secondary to PTSD?

File a supplemental claim for IBS as secondary to your service-connected PTSD, as this is likely your strongest path to service connection. Your denial as a standalone claim suggests the VA found no direct in-service event or diagnosis (38 CFR 3.303), but you can establish a secondary service connection under 38 CFR 3.310 by demonstrating that your IBS is aggravated or caused by your PTSD. This requires a strong medical nexus opinion linking the two conditions, often supported by medical literature noting the gut-brain axis. You would be rated under Diagnostic Code 7319 for Irritable Bowel Syndrome, which is rated at 0%, 10%, or 30% based on symptom severity, and your PTSD rating under 38 CFR 4.130 (DC 9411) is foundational for this claim. The precedent in *Buchanan v. Nicholson* supports that secondary claims can be granted even where direct service connection failed. Your actionable next steps are: 1) Obtain a private or VA doctor's nexus letter explicitly stating your PTSD aggravates your IBS; 2) Submit this new evidence with a VA Form 20-0995 (Supplemental Claim); 3) Include personal and buddy statements detailing the onset and relationship between your stress/anxiety and IBS symptoms. An HLR of your old claim, without new evidence, has a low chance of success. **Disclaimer: This is educational information for claims strategy based on general VA practices and is not formal legal or medical advice; consult with a VA-accredited attorney or agent for your specific case.**