Monoclonal Gammopathy of Undetermined Significance (MGUS) is rated by the U.S. Department of Veterans Affairs under DC 7712 of 38 CFR § 4.117, DC 7712 (Multiple myeloma; MGUS = 0% tier) across 1 severity tier (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.
Blood condition where an abnormal protein (monoclonal protein or M protein) is found in the blood. Can progress to multiple myeloma or other blood cancers. Presumptive for Agent Orange exposure under the PACT Act. Requires lifelong monitoring.
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.