NCIt related terms : CA19-9 Level; CA 19-9 assay; Cancer Antigen 19-9; CA19_9AG; Carbohydrate Antigen 19-9;
NCIt definition : The determination of the amount of cancer antigen 19-9 present in a sample.;
Alternative definition : CDISC: A measurement of the cancer antigen 19-9 in a biological specimen.; NCI-GLOSS: 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.;