The amount of a leucine-rich repeat and fibronectin type-III domain-containing protein 5 (human) when measured in cerebrospinal fluid. The trait is level of leucine-rich repeat and fibronectin type-III domain-containing protein 5 (human) in cerebrospinal fluid (Ontology of Biological Attributes entry OBA_2080507). Also known as: cerebrospinal fluid leucine-rich repeat and fibronectin type-III domain-containing protein 5 (human) amount.