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Test Code CA 19.9 CA 19.9

Order Code

CA19

Alt Test Name

Carbohyydrate Antigen 19-9, Cancer Antigen 19-9, GI Cancer Antigen

Methodology

Immunometric Imunoassay

Prefered Specimen Type

Red Top

Specimen Minimum Volume

1.0 ml Serum

Routine Analytic Time

4 Hours

STAT Analytic Time

1 Hour

Department

Chemistry

LOINC Code

24108-3

CPT Code

86301

Special Patient Preparation

Patients who have received preparations of mouse monoclonal antibodies may show either falsely elevated or depressed values and should not be tested with this assay. Also patients routinely exposed to animals or animal serum products can be prone to heterophilic antibody interference. Contact WMC Laboratory for alternative methodology.