{"code":"C64800","name":"Erythrocyte Distribution Width Measurement","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"Erythrocytes Distribution Width","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTEST"},{"name":"Erythrocytes Distribution Width","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"RDW","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTESTCD"},{"name":"RDW-CV","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Red Blood Cell Distribution Width","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Red Cell Volume Distribution Width","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Erythrocyte Distribution Width Measurement","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Erythrocyte Distribution Width Measurement","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A relative measurement (ratio or percentage) of the standard deviation of the red blood cell volume to the mean distribution of the red blood cell volume in a biological specimen.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"An index of the variation in the size of the red cells and can be used to detect subtle degress of anisocytosis. It is computed directly from the RBC histogram and is calculated as a standard statictical value, the coefficient of variation of the red cell volume ditribution (ratio of standard deviation and mean copuscular volume).","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P366","type":"Legacy Concept Name","value":"Erythrocyte_Distribution_Width_Measurement"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C0427460"}]}