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Test Code CA 19-9 Carbohydrate Antigen 19-9 (CA 19-9)

Performing Laboratory

NRL-Chemistry

Methodology

Immunoenzymatic Assay, Beckman Coulter method

Specimen Requirements

Specimen Type: Plasma

Container/Tube: Lithium Heparin

Specimen Volume: 0.6 mL

Specimen Minimum Volume: 0.5 mL

Alternate: Serum 

Reference Values

<55 U/mL

Up to 20% of individuals do not express CA 19-9. Contact laboratory for further information.  

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:

Routine-shift

Specimen Transport Temperature

Refrigerated/Frozen OK/Ambient NO

Reporting Title

Carbohydrate Ag 19-9

Test Classification and CPT Coding

Test Classification:

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.

CPT Code:

86301