The amount of a cytochrome c oxidase assembly protein COX19 (human) when measured in cerebrospinal fluid. The trait is level of cytochrome c oxidase assembly protein COX19 (human) in cerebrospinal fluid (OBA_2059098, an Ontology of Biological Attributes id). Also known as: cerebrospinal fluid cytochrome c oxidase assembly protein COX19 (human) amount.