24 hours
ECLIA
Accredited NRL Laboratory
Daily
CEA levels in pleural fluid assist in distinguishing malignant from benign pleural effusions.
Fluid
1 mL
Sterile Container
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 | 7 days |
| Frozen | 6 months at -20°C |