Carbohydrate Antigen 19-9 (CA 19-9), Serum, Mayo, RefLab
Alternate Names
GI Cancer Antigen
SoftLab Order Code
CA19
Epic Order Name
Carbohydrate Antigen 19-9 (CA 19-9), Serum, Mayo, RefLab
Epic Order ID
LAB4339
Laboratory
Reference Lab
Sample Type
Serum
Collection Container
SST (Gold Top Serum Separator Tube)
Alternative Collection Container
Red/Black Speckle top (Serum Tube),
Plain Red top
Collecting Volume
1.2 mL
Minimum Collecting Volume
1 mL
Storage or Stability
Refrigerated
Causes for Rejection
Gross Hemolysis
Patient Preparation
For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg: hair, skin, and nail supplements) containing biotin (vitamin B7).