FCRL5/LY96 protein level ratio in blood (OBA_2055303, an Ontology of Biological Attributes entry) can be described as follows. A compound attribute that is the ratio of amount of Fc receptor-like protein 5 (human) in blood to amount of lymphocyte antigen 96 (human) in blood. Also known as: the ratio of amount of Fc receptor-like protein 5 (human) in blood to amount of lymphocyte antigen 96 (human) in blood.