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Test Compendium

3123: CA 19-9

Test Code

  • 3123

Test Synonym

  • CA 19.9, CA19-9, CA19.9, CANCER ANTIGEN 19-9

Volume

  • 1 mL

Minimum Volume

  • 0.2 mL

Specimen Requirements

  • Serum

Container

  • Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube

Storage

  • Refrigerated

Turn Around Time

  • 1 day

Special Instructions

  • 1 SST

Specimen Stability

  • 5 days at 15-25 °C, 14 days at 2-8 °C, 3 months at -20 °C. Freeze only once

Reference Range

  • Fasting Sex Message Lines Ref Ranges Unit of Measure
    Values obtained with different assay methods cannot be used interchangeably. Results cannot be interpreted as absolute evidence of the presence or absence of malignant disease. Test manufacturer: Roche Diagnostics Test methodology:ECLIA Electrochemiluminescence Immunoassay < 35 U/mL