The amount of a ectonucleoside triphosphate diphosphohydrolase 2 (human) when measured in cerebrospinal fluid. The trait is OBA_2081843 (level of ectonucleoside triphosphate diphosphohydrolase 2 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid ectonucleoside triphosphate diphosphohydrolase 2 (human) amount.