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CA 19-9 : 4698
Test CodeCA19C9 or 4698
Alias/See Also
Cancer Antigen 19-9, Carbohydrate Antigen 19-9
CPT Codes
86301
Transport Container
Specimen:
1 mL serum
Minimum Volume: 0.5 mL
1 mL serum
Minimum Volume: 0.5 mL
Transport Temperature
Room temperature.
Specimen Stability
Room temperature: 7 days; Refrigerated: 7 days; Frozen: 28 days
Methodology
Immunoassay
Setup Schedule
Sunday - Saturday
Report Available
1 day
Limitations
This test was performed using the Siemens chemiluminescent method. Values obtained from different assay methods cannot be used interchangeably. CA 19-9 levels, regardless of value, should not be interpreted as absolute evidence of the presence or absence of disease.
Reference Range
<34 U/mL
Clinical Significance
A large percentage of patients with gastrointestinal tumors (such as pancreatic, liver, gastric, colorectal tumors) and some other malignancies have been shown to have elevated serum CA 19-9 levels. Serum CA 19-9 levels may be useful for monitoring disease activity or predicting relapse following treatment. CA 19-9 should not be used as a screening test.
Performing Laboratory
med fusion
