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Carcinoembryonic Antigen
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Ordering Recommendation
Mnemonic
Methodology
Quantitative Electrochemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
Specimen Required
Serum separator tube.
Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.6 mL)
Refrigerated. Also acceptable: Frozen.
Body Fluid (refer to Carcinoembryonic Antigen, Fluid, ARUP test code 0020742). Plasma.
After separation from cells: Ambient: 7 days; Refrigerated: 2 weeks; Frozen: 6 months
Reference Interval
0.0-3.0 ng/mL
Interpretive Data
The Roche CEA electrochemiluminescent immunoassay is used. Results obtained with different test methods or kits cannot be used interchangeably. Measurement of CEA has been shown to be clinically relevant in the management of patients with colorectal, breast, lung, prostatic, pancreatic, and ovarian carcinomas. Smokers may have slightly elevated levels of CEA. The CEA assay value, regardless of level, should not be interpreted as evidence for the presence or absence of malignant disease and is not recommended for use as a screening procedure to detect the presence of cancer in the general population.
FDA
Note
Hotline History
CPT Codes
82378
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0080080 | Carcinoembryonic Antigen | 2039-6 |
Aliases
- Carcinoembryonic Antigen
- CEA
- CEA Assay
- CEA Levels
- CEA, Serum
- Embryonic Carcinoma Antigen
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