The amount of a 5-demethoxyubiquinone hydroxylase, mitochondrial (human) when measured in cerebrospinal fluid. The trait is level of 5-demethoxyubiquinone hydroxylase, mitochondrial (human) in cerebrospinal fluid (OBA_2080621, an Ontology of Biological Attributes identifier). Also known as: cerebrospinal fluid 5-demethoxyubiquinone hydroxylase, mitochondrial (human) amount.