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Serum CA 19-9 Levels and Lewis Antigen Genotype

Specialty:

Clinical Laboratory
Obstetrics & Gynecology
Cardiology
Emergency Medicine
Critical Care

Objective:

ICD-10:

Description:

Carbohydrate antigen 19-9 (CA 19-9) can be used as a tumor marker in patients with pancreatic, biliary and colonic neoplasms. It cannot be used as a cancer marker in a patient with the Le(a-b-) genotype.

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