{"code":"C157252","name":"Serum CEA Measurement","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"Serum CEA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CPTAC"},{"name":"Serum Carcinoembryonic Antigen","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Serum Carcinoembryonic Antigen Measurement","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Serum CEA Measurement","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Serum CEA Measurement","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"The determination of the amount of carcinoembryonic antigen present in a serum sample.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CPTAC"},{"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":"P208","type":"NCI_META_CUI","value":"CL936879"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"}]}