The amount of a cytochrome c oxidase assembly factor 3 homolog, mitochondrial (human) when measured in cerebrospinal fluid. The trait is level of cytochrome c oxidase assembly factor 3 homolog, mitochondrial (human) in cerebrospinal fluid (Ontology of Biological Attributes term OBA_2081756). Also known as: cerebrospinal fluid cytochrome c oxidase assembly factor 3 homolog, mitochondrial (human) amount.