CA 19-9

Also known as: Cancer antigen-GI; CA-GI

Formal name: Cancer Antigen 19-9

Related tests: Bilirubin, CEA, Liver panel, Tumor markers

At a Glance

Why Get Tested?

To help differentiate between cancer of the pancreas and other conditions; to monitor response to pancreatic cancer treatment and to watch for recurrence

When to Get Tested?

When your doctor suspects that you have pancreatic cancer and during or following pancreatic cancer treatment

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

None

This article was last reviewed on September 24, 2009. | This page was last modified on November 14, 2009.

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