The amount of a xylosyl- and glucuronyltransferase LARGE1 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes identifier OBA_2056511 (level of xylosyl- and glucuronyltransferase LARGE1 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid xylosyl- and glucuronyltransferase LARGE1 (human) amount.