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CA 19-9, QUANT
MessageChemistry
Test Code
LAB777
Alias/See Also
Cancer Antigen 19-9
CPT Codes
86301
Includes
Carbohydrate Antigen 19-9
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 700 uL (TWO full red-top microtainers or one full light green-top microtainer).
Serum/plasma: 400 uL
Serum/plasma: 400 uL
Other Acceptable Specimens
Red Top and light green top (lithium heparin plasma) acceptable
Instructions
LAB:
Specimen should be refrigerated as soon as possible if testing cannot be performed immediately
Specimen should be refrigerated as soon as possible if testing cannot be performed immediately
Specimen Stability
Refrigerated: 7 days.
Frozen: 4 weeks.
Frozen: 4 weeks.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Reference Range
1 -37 U/mL
Clinical Significance
This immunoassay is manufactured by Ortho clinical Diagnostics. Tumor marker values using different test methods or manufacturers may vary and cannot be compared. If there is a change to the manufacturer or methodology, patients undergoing serial monitoring should have additional testing performed to confirm baseline values.
Performing Laboratory
Hoag Newport
