The amount of a testis-specific serine/threonine-protein kinase 2 (human) when measured in cerebrospinal fluid. The trait is OBA_2080526 (level of testis-specific serine/threonine-protein kinase 2 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid testis-specific serine/threonine-protein kinase 2 (human) amount.