Guide series
Rhinitis, Sinusitis, and Asthma VA Claims: Complete Guide Series
Plain-English guides to allergic rhinitis, chronic sinusitis, asthma, and deviated septum VA disability claims: service connection, ratings under 38 CFR 4.97, PACT Act presumptions, and secondary claims.
Overview
Start here: allergy & respiratory basics.
Airway conditions are among the most common diagnoses veterans carry home from service, and they raise several separate questions: whether dust, smoke, and burn pit exposure can be connected to a condition diagnosed years later, how each condition is measured under the rating schedule, and when one airway condition supports a claim for another.
The guides below work through each question using the VA's own regulations. Start with the overview, then read the guide that matches your situation.

Rhinitis, Sinusitis, and Asthma VA Disability: How Service Connection Works
How VA service connection works for allergic rhinitis, chronic sinusitis, and asthma: the three elements, PACT Act presumptions, secondary theories, and how each condition is rated.
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9 min readRhinitis and Sinusitis VA Ratings Explained (DC 6510–6522)
The VA rating criteria for allergic rhinitis and chronic sinusitis under 38 CFR 4.97: nasal obstruction percentages, polyps, incapacitating episodes, and what examiners must document.
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9 min readAsthma VA Ratings and the C&P Exam (Diagnostic Code 6602)
How the VA rates bronchial asthma under Diagnostic Code 6602: FEV-1 and FEV-1/FVC thresholds, the medication pathway to 30 and 60 percent, and what the C&P exam measures.
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8 min readRhinitis and Sleep Apnea: How the Secondary Claim Works
How VA secondary service connection works between chronic rhinitis, nasal obstruction, and obstructive sleep apnea under 38 CFR 3.310, and what the medical opinion must explain.
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8 min readSinusitis and Rhinitis Together: Separate Ratings or Pyramiding?
When the VA assigns separate evaluations for chronic sinusitis and allergic rhinitis, when 38 CFR 4.14 prohibits it, and how 38 CFR 4.25 combines the results.
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9 min readBurn Pits, Airborne Hazards, and the PACT Act: Respiratory Claims
How the PACT Act presumptions work for respiratory conditions, which conditions are covered, what qualifying service means, and what to do when no presumption applies.
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7 min readDeviated Septum VA Rating: What DC 6502 Requires
The VA rating for a traumatic deviated nasal septum under Diagnostic Code 6502, why it is capped at 10 percent, and how it supports secondary sleep apnea claims.
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8 min readEvidence for Rhinitis, Sinusitis, and Asthma Claims
What to gather for an allergic rhinitis, chronic sinusitis, or asthma VA claim: testing, episode documentation, medication history, exposure records, and lay statements.
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