The amount of a transmembrane and immunoglobulin domain-containing protein 2 (human) when measured in cerebrospinal fluid. The trait is OBA_2080296 (level of transmembrane and immunoglobulin domain-containing protein 2 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid transmembrane and immunoglobulin domain-containing protein 2 (human) amount.