4 hours
Test Updated:
Cancer Antigen 125
DM70K Replacement Assay
Ovarian Cancer Tumor Marker
CA125
CA 125
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Test Overview
Chemiluminescent Immunoassay (CLIA)
Follow-up management of patients undergoing cancer therapy, especially for ovarian carcinoma. Consistently rising CA 125 results may be associated with malignant disease and poor response to therapy; declining values may be indicative of a favorable response to therapy.
0 - 35.0 U/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in an SST or red top tube. Refrigerate and send intact specimen within 8 hours of collection. Alternatively, centrifuge, aliquot serum into a plastic vial and refrigerate up to 48 hours or freeze for longer storage.