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GI-Monitor (CA 19-9)


Utilizes a paramagnetic particle, chemiluminescent immunoassay

Test Utility

The CA 19-9 antigen is elevated in various cancers, especially pancreatic cancer. It may also be elevated in cancers of the biliary ductular cells, and gastric, colonic, salivary and endometrial cancers.

Specimen Collection and Preparation

Serum or heparinized plasma sample in the following tubes:

  • Preferred Specimen: One Gold-top SST tube, minimum volume 4.0 mL

  • Also acceptable: One Lithium Heparin tube, minimum volume 3.0 mL

Specimen Storage and Stability

Store serum or plasma at the following temperatures:

  • Room temperature: 9 hours

  • Refrigerated: 2°C to 8°C: 48 hours

  • Frozen: Not indicated

Specimen Rejection

  • Insufficient sample volume

  • Sample not stored at proper temperature

  • Frozen whole blood

  • Specimen labeled incorrectly or not labeled

Reference Pages


Monday – Sunday, 16 hours a day 

Result available within 24 hours of receipt in laboratory 

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal


Vibra Health Laboratory  

1307- A, Allen Dr Troy, MI 48083 

(248) 846-0663

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