The amount of a orphan sodium- and chloride-dependent neurotransmitter transporter NTT5 (human) when measured in cerebrospinal fluid. The trait is OBA_2080858 (level of orphan sodium- and chloride-dependent neurotransmitter transporter NTT5 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid orphan sodium- and chloride-dependent neurotransmitter transporter NTT5 (human) amount.