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CA 125
Test CodeLAB155
Alias/See Also
CA125, Cancer Antigen 125
CPT Codes
86304
Preferred Specimen
Lithium Heparin (PST)
Other Acceptable Specimens
Gold (SST) or serum separator
Instructions
Spin PST or SST and send to lab
Transport Temperature
Room temp
Specimen Stability
After separation from cells: 7 days refrigerated. Specimens may be stored frozen at -20C or colder. Avoid multiple freeze/thaws
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis or heat-inactivated specimens
Methodology
Chemiluminescent Microparticle Immunoassay (CMIA)
Setup Schedule
Mon, Wed, Fri
Limitations
Heterophilic antibodies in human serum can react with reagent immunoglobulins, interfering with in
vitro immunoassays. Specimens from patients who have received preparations of mouse monoclonal antibodies for
diagnosis or therapy may contain human anti-mouse antibodies (HAMA). Such specimens may show
either falsely elevated or depressed values when tested with assay kits which employ mouse
monoclonal antibodies
vitro immunoassays. Specimens from patients who have received preparations of mouse monoclonal antibodies for
diagnosis or therapy may contain human anti-mouse antibodies (HAMA). Such specimens may show
either falsely elevated or depressed values when tested with assay kits which employ mouse
monoclonal antibodies
Reference Range
0-35 U/mL
Performing Laboratory
Piedmont Athens Regional
