The amount of a leukocyte immunoglobulin-like receptor subfamily A member 3 (human) when measured in cerebrospinal fluid. The trait is level of leukocyte immunoglobulin-like receptor subfamily A member 3 (human) in cerebrospinal fluid (Ontology of Biological Attributes identifier OBA_2059829). Also known as: cerebrospinal fluid leukocyte immunoglobulin-like receptor subfamily A member 3 (human) amount.