The amount of a ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 (human) when measured in cerebrospinal fluid. The trait is level of ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 (human) in cerebrospinal fluid (OBA_2057565). Also known as: cerebrospinal fluid ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 (human) amount.