{"code":"C81983","name":"Carcinoembryonic Antigen Measurement","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"Carcinoembryonic Antigen","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTEST"},{"name":"Carcinoembryonic Antigen","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"CEA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTESTCD"},{"name":"Carcinoembryonic Antigen Measurement","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Carcinoembryonic Antigen Measurement","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A measurement of the carcinoembryonic antigen in a biological specimen.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"The determination of the amount of carcinoembryonic antigen present in a sample.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P98","type":"DesignNote","value":"The term carcinoembryonic antigen (CEA) may refer to the CEA protein family but it is sometimes used to refer to CEACAM5 (carcinoembryonic antigen-related cell adhesion molecule 5) alone."},{"code":"P366","type":"Legacy Concept Name","value":"Carcinoembryonic_Antigen_Measurement"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C0201933"}]}