{"code":"C64481","name":"Direct Bilirubin Measurement","terminology":"ncit","version":"26.10d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"BILDIR","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTESTCD"},{"name":"Conjugated Bilirubin + Albumin-Bound Bilirubin","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Conjugated Bilirubin + Delta Bilirubin","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Direct Bilirubin","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Direct Bilirubin","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTEST"},{"name":"Direct Bilirubin Measurement","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Direct Bilirubin Measurement","type":"Preferred_Name","typeCode":"P108"},{"name":"Direct Bilirubin","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"PCDC","subSource":"OS"}],"definitions":[{"definition":"A measurement of the glucuronidated bilirubin and albumin-bound bilirubin in a biological specimen.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"The bilirubin is bound to glucuronide to form conjugated bilirubin (direct bilirubin). Direct Bilirubin measurement is accomplished by a colorimetric method. Direct Bilirubin in biological fluids reacts with sulfanilic acid at acidic pH to produce a red colored complex. The optical density of produced color has a direct relationship with Direct Bilirubin concentration in the solution.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P322","type":"Contributing_Source","value":"PCDC"},{"code":"P366","type":"Legacy Concept Name","value":"Direct_Bilirubin_Measurement"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C0201916"}]}