The amount of a peroxisomal membrane protein PEX14 (human) when measured in cerebrospinal fluid. The trait is level of peroxisomal membrane protein PEX14 (human) in cerebrospinal fluid (OBA_2056348, an Ontology of Biological Attributes id). Also known as: cerebrospinal fluid peroxisomal membrane protein PEX14 (human) amount.