{"code":"C81982","name":"Cancer Antigen 19-9 Measurement","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"CA19_9AG","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTESTCD"},{"name":"Cancer Antigen 19-9","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Cancer Antigen 19-9","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTEST"},{"name":"Carbohydrate Antigen 19-9","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"CA19-9 Level","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CPTAC"},{"name":"Cancer Antigen 19-9 Measurement","termType":"DN","type":"FULL_SYN","typeCode":"P90","source":"CTRP"},{"name":"CA 19-9 assay","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI-GLOSS","code":"CDR0000377727"},{"name":"CA-19-9 Measurement","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"CA19-9 Measurement","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Cancer Antigen 19-9 Measurement","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Carbohydrate Antigen 19-9 Measurement","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Cancer Antigen 19-9 Measurement","type":"Display_Name","typeCode":"P107"},{"name":"Cancer Antigen 19-9 Measurement","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A measurement of the cancer antigen 19-9 in a biological specimen.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"A test that measures the level of CA 19-9 in the blood. CA 19-9 is a tumor marker released into the bloodstream from both cancer cells and normal cells. Higher than normal amounts of CA 19-9 in the blood can be a sign of gallbladder or pancreatic cancer or other conditions.","code":"P325","type":"ALT_DEFINITION","source":"NCI-GLOSS"},{"definition":"The determination of the amount of cancer antigen 19-9 present in a sample.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P322","type":"Contributing_Source","value":"CPTAC"},{"code":"P322","type":"Contributing_Source","value":"CTRP"},{"code":"P366","type":"Legacy Concept Name","value":"Cancer_Antigen_19-9_Measurement"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C0201551"}]}