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