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Test Code CA 19-9 Carbohydrate Antigen 19-9 

Specimen Required

Lithium Heparin Plasma Separator Tube (Green) or

Serum Separator Tube (Yellow)

Specimen Handling and Stability

Handle and store specimens in stoppered containers to avoid contamination and evaporation.

 

Centrifuge specimens to remove the pasma/serum from the cellular material after collection.


Specimen Stability

*  Refrigerated: 7 Days

*  Frozen: 4 Weeks

CPT Code

86301

Additional Test Information

Different test methods cannot be used interchangeably. 1116-NS‑19‑9 defined antigen in a given patient sample determined with different tests and from different manufacturers can vary due to differences in test methods and reagent specificity.