Clinical Data Interchange Standards Consortium Terminology CDISC SDTM Laboratory Test Code Terminology CDISC SDTM Terminology CDISC SDTM Laboratory Test Name Terminology Blood Cell Count Ratio Measurement Nucleated Red Blood Cell to Erythrocyte Ratio Measurement Nucleated_Red_Blood_Cell_To_Erythrocyte_Ratio_Measurement RBCNURBC A relative measurement (ratio or percentage) of the nucleated erythrocytes (large, immature nucleated erythrocytes) to all erythrocytes in a biological specimen. C2698507 CDISC Nucleated Erythrocytes/Erythrocytes Nucleated Red Blood Cell to Erythrocyte Ratio Measurement C74647 Laboratory Procedure Nucleated Red Blood Cell to Erythrocyte Ratio Measurement Nucleated Red Blood Cells/Erythrocytes The determination of the ratio of nucleated red blood cells compared to erythrocytes present in a sample. The measurement may be expressed as a ratio or percentage. CDISC SEND Terminology