The amount of a 6-phosphogluconate dehydrogenase, decarboxylating (human) when measured in cerebrospinal fluid. The trait is level of 6-phosphogluconate dehydrogenase, decarboxylating (human) in cerebrospinal fluid (Ontology of Biological Attributes term OBA_2058070). Also known as: cerebrospinal fluid 6-phosphogluconate dehydrogenase, decarboxylating (human) amount.