Single Judge Application; a MUCMI is “a diagnosed illness without conclusive pathophysiology or etiology[] that is characterized by overlapping symptoms and signs and has features such as fatigue, pain, disability out of proportion to physical findings, and inconsistent demonstration of laboratory abnormalities.” 38 C.F.R. § 3.317(a)(2)(ii). “Under the proper interpretation of the law, an illness is a MUCMI where either the etiology or pathophysiology of the illness is inconclusive.” Stewart v. Wilkie, 30 Vet.App. 383, 390 (2018); “Conversely, a multisymptom illness is not a MUCMI where both the etiology and the pathophysiology of the illness are partially understood.” Id.; “[W]hether an illness is ‘defined by a cluster of signs or symptoms’ . . . is a question of fact delegated to the VA . . . for consideration in the first instance.” Tadlock, 5 F.4th at 1338 (quoting 38 U.S.C. § 1117(a)(2)(B)); » HadIt.com For Veterans Who’ve Had It With The VA