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Chronic Sinusitis is rated by the U.S. Department of Veterans Affairs under DC 6510 of 38 CFR § 4.97, DC 6510-6514 across 4 severity tiers (50% / 30% / 10% / 0%). Service connection requires (1) a current diagnosis, (2) an in-service event, injury, or exposure, and (3) a medical nexus opinion linking the two under 38 C.F.R. § 3.303. This condition is frequently rated as secondary to Sleep Apnea or Asthma under 38 C.F.R. § 3.310.
Chronic inflammation of the paranasal sinuses causing congestion, pain, and recurrent infections
Rating criteria text quoted verbatim from 38 C.F.R. § 4.97 (Respiratory system). Source verified 2026-06-04 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.