CA 19-9
Material: | 1 ml serum (stability in serum at 4°C – 8°C: > 14 days) 1 ml lithium-heparin plasma, EDTA-plasma |
Methods: | Ligandenassays → Chemilumineszenz-Immunoassay (CLIA) | Reference range | < 37 U/ml |
Indication | Therapy and progress checks of pancreas carcinoma, hepatobiliary carcinoma. Differential diagnosis of liver round lesions (with AFP) and as second marker for colon- and rectal carcinomas. |
Please note | Simultaneous determination of CA 19-9 and CEA increases the sensitivity for gastrointestinal tumors. It is also increased in case of cholestasis, cystic fibrosis, during pregnancy and during menstruation. There is no CA 19-9 expression in persons with blood group Lewis-negative (3 – 7 % of the population), hence it will not be detected in the blood (Caution: false-negative test results). |
Accredited | ja |
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