24 hours
ECLIA
Accredited NRL Laboratory
Daily
Tumor marker used primarily to monitor colorectal cancer.
Serum or Plasma
1 mL
Gel barrier tube or Lithium Heparin
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 14 days |
| Frozen | 180 days |