CPM/PCSK9 protein level ratio in blood (OBA_2054595) can be described as follows. A compound attribute that is the ratio of amount of carboxypeptidase M (human) in blood to amount of proprotein convertase subtilisin/kexin type 9 (human) in blood. Also known as: the ratio of amount of carboxypeptidase M (human) in blood to amount of proprotein convertase subtilisin/kexin type 9 (human) in blood.