Renal Artery Stenosis is rated by the U.S. Department of Veterans Affairs under DC 7534 of 38 CFR § 4.115b, DC 7534 across 5 severity tiers (100% / 80% / 60% / 30% / 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.
Narrowing of one or both renal arteries, reducing blood flow to the kidneys. Causes renovascular hypertension and progressive kidney damage. May be caused by atherosclerosis or fibromuscular dysplasia.
Rating criteria text quoted verbatim from 38 C.F.R. § 4.115b (Genitourinary system — diagnoses). Source verified 2026-06-04 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.