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Cancer Antigen 19-9

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Also known as: Carbohydrate Antigen 19-9; Cancer Antigen-GI; CA-GI; CA 19-9
Formal name: Cancer Antigen 19-9

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At a Glance

Why Get Tested?

Primarily to monitor response to pancreatic cancer treatment and to watch for recurrence; sometimes to aid in the diagnosis of pancreatic cancer

When to Get Tested?

During and/or following pancreatic cancer treatment

Sample Required?

A blood sample drawn from a vein in your arm; sometimes samples of other types of body fluids

Test Preparation Needed?