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HelpTest Code LAB57 Carcinoembryonic Antigen (CEA)
Useful For
- Monitoring colorectal cancer and selected other cancers such as medullary thyroid carcinoma
-
Slight to moderate CEA elevations can also occur in non‑malignant diseases of the intestine, the pancreas, the liver, and the lungs (i.e. liver cirrhosis, chronic hepatitis, pancreatitis, ulcerative colitis, Crohn's Disease).
Methodology
Electrochemiluminescence Immunoassay (ECLIA)
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Plasma
Container/Tube: Light-green top (lithium heparin gel)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Additional Information
Smoking can lead to elevated CEA values and needs to be taken into account when interpreting CEA levels.
Specimen Transport Temperature
Ambient/Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma | Ambient | 7 days |
| Refrigerated | 14 days | |
| Frozen | 6 months |
Reference Values
< 3.9 ng/mL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82378