The amount of a low-density lipoprotein receptor-related protein 12 (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes term OBA_2081822 (level of low-density lipoprotein receptor-related protein 12 (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid low-density lipoprotein receptor-related protein 12 (human) amount.