blood C-reactive protein level serum C-reactive protein level 2019-05-06T10:38:00Z CMO:0003161 The proportion, quantity, or volume of C-reactive protein (CRP) found in the serum, the clear liquid that is separated from blood after it has clotted completely, i.e. blood plasma from which fibrinogen has been removed. CRP is an acute phase reactant protein used to indicate inflammatory illness. It is believed to be of value in predicting coronary events. VT:0010036 clinical_measurement_ontology serum CRP sjwang