How do I get VA disability for burn pit lung/breathing problems if my PFTs, CT scans, and X-rays all come back normal?

Respiratory conditions linked to burn pit and airborne hazard exposure are notoriously hard to document because standard pulmonary function tests (PFTs), chest X-rays, and even routine CT scans can look normal even when a veteran has genuine small airway disease, constrictive bronchiolitis, or other conditions that only show up on specialized testing like high-resolution CT (HRCT), exercise-induced bronchoprovocation testing, or lung biopsy.

The PACT Act (2022) added a long list of presumptive conditions tied to burn pit and particulate matter exposure, including asthma diagnosed after service, chronic bronchitis, chronic obstructive pulmonary disease (COPD), constrictive bronchiolitis (or obliterative bronchiolitis), emphysema, granulomatous disease, interstitial lung disease, pleuritis, pulmonary fibrosis, and sarcoidosis. If you served in a qualifying location (Iraq is covered) during the qualifying time period and have one of these diagnoses, VA is supposed to presume the condition is service-connected without you having to prove a direct nexus to burn pit smoke specifically — you still need a current, confirmed diagnosis of one of the listed conditions.

The practical problem many veterans run into is getting that diagnosis in the first place when routine testing looks normal. This is where specialized programs, like deployment-related respiratory clinics at certain VA medical centers, matter: they use HRCT protocols, exercise testing, and sometimes referral for surgical lung biopsy to find small airway disease that basic PFTs and plain imaging miss. A diagnosis of "small airway disease" on HRCT is often a precursor finding that pulmonologists use to narrow down to constrictive bronchiolitis or similar diagnoses, which are presumptive under the PACT Act once confirmed.

If you do not yet have one of the officially listed presumptive diagnoses, you can still file a claim on a direct service-connection basis, which requires three things: a current diagnosis, evidence of in-service exposure (burn pit registry enrollment and deployment records help here), and a medical nexus opinion linking the two. A positive HRCT finding plus a treating pulmonologist's opinion can serve as strong evidence for either path.

File using VA Form 21-526EZ for an original claim, or VA Form 20-0995 (Supplemental Claim) if you have new and relevant evidence after a prior denial, and make sure you are enrolled in the Airborne Hazards and Open Burn Pit Registry, since registry exams can support your evidentiary record even though registry participation itself does not grant presumptive status.

The concrete next step is to get the full diagnostic workup completed at the specialized pulmonary program, obtain a written diagnosis and nexus statement from the treating pulmonologist, and then file or supplement your claim citing the specific PACT Act presumptive condition once it is confirmed.