The amount of a proprotein convertase subtilisin/kexin type 7 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes identifier OBA_2058988 (level of proprotein convertase subtilisin/kexin type 7 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid proprotein convertase subtilisin/kexin type 7 (human) amount.