Myelodysplastic Syndrome is rated by the U.S. Department of Veterans Affairs under DC 7725 of 38 CFR § 4.117, DC 7725 (Myelodysplastic syndromes) across 3 severity tiers (100% / 60% / 30%). 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.
Group of disorders caused by poorly formed or dysfunctional blood cells from bone marrow. Considered a form of bone marrow cancer with risk of progression to acute leukemia. Associated with chemical exposures and radiation.
Rating criteria text quoted verbatim from 38 C.F.R. § 4.117 (Hemic and lymphatic systems). Source verified 2026-06-05 by ClaimRecon Editorial Team against the Cornell Law CFR mirror; eCFR.gov is the authoritative government source.