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HelpTEST ID CEA CARCINOEMBRYONIC ANTIGEN (CEA)
Performing Laboratory
NRLS-Core Chemistry
Specimen Type
Serum
Specimen Required
Container/Tube:
Preferred: Serum Gel
Acceptable: Red top
Specimen Volume: 1.0 mL
Collection Instructions:
Serum gel tubes should be fully clotted and centrifuged within 2 hours of collection.
Red-top tubes should be fully clotted, centrifuged and aliquoted within 2 hours of collection.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
|
Specimen Type |
Temperature |
Time |
|---|---|---|
| Plasma/Serum | Refrigerated(preferred) | 48 hours |
| Ambient | 8 hours | |
| Frozen | Indefinite |
Reference Values
An interpretive report will be provided
The Access carcinoembryonic antigen (CEA) assay is a 2-site immunoenzymatic sandwich assay.
Values obtained with different assay methodologies should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient's course of therapy.
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 day