The amount of a peptidyl-prolyl cis-trans isomerase D (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes entry OBA_2058564 (level of peptidyl-prolyl cis-trans isomerase D (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid peptidyl-prolyl cis-trans isomerase D (human) amount.