Test directory: CA 19-9

Ordering Code210
Test NameCA 19-9
AliasCancer Ag 19-9
Carbohydrate Ag 19-9
Cancer Antigen - GI
Centacor 19-9
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerPlasma in EDTA, K2 (Lavender)
Plasma in Lithium Heparin (Green)
Plasma in Sodium Heparin (Green)
Optimum Volume0.5 mL
Transport RequirementsOahu: Refrigerated
Airline: Frozen
Hawaii Airline Transport can be refrigerated during
Specimen StabilityAmbient: 2 Hours
Refrigerated: 5 Days
Frozen: 3 Months
Rejection CriteriaInsufficient quantity, Wrong specimen type,
Heat-inactivated sample, Sample stabilized with azide
Avail. StatNO
Analytic Time1 Day
MethodologyElectrochemiluminescence Immunoassay (ECLIA)

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
CA 19-9ALL0 - 350 - 35U/mL

This test was...

This test was performed on the Roche Modular E170
Electrochemiluminescence Immunoassay. Results obtained with different assay methods cannot be used interchangeably. Regardless of value, CA 19-9 levels should not be interpreted as absolute evidence of the presence or absence of malignant disease.