The amount of a diphosphoinositol polyphosphate phosphohydrolase 3-alpha (human) when measured in cerebrospinal fluid. The trait is OBA_2059927 (level of diphosphoinositol polyphosphate phosphohydrolase 3-alpha (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid diphosphoinositol polyphosphate phosphohydrolase 3-alpha (human) amount.