The amount of a V-set and immunoglobulin domain-containing protein 4 (human) when measured in cerebrospinal fluid. The trait is level of V-set and immunoglobulin domain-containing protein 4 (human) in cerebrospinal fluid (Ontology of Biological Attributes identifier OBA_2081734). Also known as: cerebrospinal fluid V-set and immunoglobulin domain-containing protein 4 (human) amount.