CD300C/LRRC25 protein level ratio in blood (OBA_2054154, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of CMRF35-like molecule 6 (human) in blood to amount of leucine-rich repeat-containing protein 25 (human) in blood. Also known as: the ratio of amount of CMRF35-like molecule 6 (human) in blood to amount of leucine-rich repeat-containing protein 25 (human) in blood.