The amount of a 7-methylguanosine phosphate-specific 5'-nucleotidase (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes entry OBA_2080253 (level of 7-methylguanosine phosphate-specific 5'-nucleotidase (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid 7-methylguanosine phosphate-specific 5'-nucleotidase (human) amount.