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CA 125
Test Code103341P
CPT Codes
86304
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 10 days
Refrigerated: 12 days
Frozen: 28 days
Refrigerated: 12 days
Frozen: 28 days
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon, Wed, Fri; Report available: 2-5 days
Limitations
CA 125 is not intended as a screening test. CA 125 is affected by menstrual cycle, ectopic endometrial tissue.
Clinical Significance
The CA 125 level can provide prognostic information in the follow-up management of patients with ovarian carcinoma. The assay should be used as an adjunctive test in the management of ovarian cancer patients. CA 125 is not recommended as a cancer screening procedure to detect cancer in the general population.