level of diphosphoinositol polyphosphate phosphohydrolase 1 (human) in cerebrospinal fluid (Ontology of Biological Attributes id OBA_2056568) is the amount of a diphosphoinositol polyphosphate phosphohydrolase 1 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid diphosphoinositol polyphosphate phosphohydrolase 1 (human) amount.