The amount of a leucine-rich repeat LGI family member 3 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes id OBA_2059757 (level of leucine-rich repeat LGI family member 3 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid leucine-rich repeat LGI family member 3 (human) amount.