Specimen Requirements

Title

Cancer Antigen (CA) 15-3

Specimen Requirement

Collect SST/1 mL serum. After 30 minutes of clotting, promptly centrifuge and send.

Alternate sample: Red top

Methodology

Electrochemiluminescence immunoassay (ECLIA)

Stability

Room temp: 14 days, Refrigerated: 14 days, Frozen: 14 days

Reference Range

By Report*

Turnaround

1-2 days

Clinical Use

Quantitative measurement of cancer antigen 15-3

Test Code

CA15M