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Cancer Antigen (CA) 125
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
CA125
Alias/See Also
CA 125 (serum);
Cancer AB 125;
OC 125;
Ca 125 (serum)
Cancer AB 125;
OC 125;
Ca 125 (serum)
CPT Codes
86304
Preferred Specimen
serum
Minimum Volume
1 mL
Instructions
Avoid hemolysis. Allow to clot in an upright position for 30 minutes. Centrifuge 10 minutes. Keep tightly stoppered.
Transport Container
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = 8 hours
Refrigerated = 5 days
Frozen = 24 weeks
Refrigerated = 5 days
Frozen = 24 weeks
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.
Methodology
immunoassay
Setup Schedule
Daily
TM
TM
Report Available
1 day
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.
Performing Laboratory
Compunet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: January 4, 2024
