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Geisinger Medical Laboratories Test Catalog
CEA |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1969 Geisinger Epic ID: 6523 | |
SPECIMEN COLLECTION |
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Specimen type: |
Plasma or serum | |
Preferred collection container: |
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Specimen required: |
2 mL of serum or plasma; minimum 0.5 mL | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection. | |
Transport temperature: |
Refrigerated (preferred) or frozen. | |
Specimen stability: |
Refrigerated: 7 days. Frozen: 6 months. | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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Reference interval: |
0 - 5.2 ng/mL | |
Additional information: |
Patient specimens containing a human antimouse antibody may interfere with results. | |
CPT code(s): |
82378 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Carcinoembryonic antigen. | |
Methodology: |
Electrochemiluminescence Immunoassay |
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Synonyms: |
CARCINOEMBRYONIC ANTIGEN, CEA
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Clinical significance: |
Increased CEA levels have been detected in patients with primary colorectal cancer and in patients with other malignancies involving the gastrointestinal tract, breast, lung, ovarian, prostatic, liver and pancreatic cancers. CEA levels are useful in in patient prognosis after surgical removal of tumors. CEA levels are not useful in screening the general population. | |
Doctoral Director(s:) |
Hoi-Ying Elsie Yu, PhD, DABCC Sheng-Ying (Margaret) Lo, PhD, DABCC |
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| Review Date: | 12/14/2022 | |