{"code":"C20127","name":"CEA Assay","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"carcinoembryonic antigen assay","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI-GLOSS","code":"CDR0000633288"},{"name":"CEA assay","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI-GLOSS","code":"CDR0000046475"},{"name":"Carcinoembryonic Antigen Assay","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"CEA Assay","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"CEA Assay","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A laboratory blood test to measure carcinoembryonic antigen (CEA), a protein found in many types of cells, but is associated with tumors. Used as a tumor marker.","code":"P97","type":"DEFINITION","source":"NCI"},{"definition":"A laboratory test that measures the level of carcinoembryonic antigen (CEA) in the blood. An increased amount of CEA may be found in the blood of people who have colon cancer or other types of cancer, certain other diseases, or who smoke. The amount of CEA in the blood may also help keep track of how well cancer treatments are working or if cancer has come back. CEA is a type of tumor marker.","code":"P325","type":"ALT_DEFINITION","source":"NCI-GLOSS"}],"properties":[{"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":"CEA_Assay"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C2919010"}]}