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| 41000:CARCINOEMBRYONIC ANTIGEN (CEA) | |||||||||
| Alias Names: | CEA | ||||||||
| Methodology: | Chemiluminescent Immunoassay (CLIA) | ||||||||
| Edit Date: | 4/18/2010 | ||||||||
| Performed: | Daily | ||||||||
| Released: | Same day as tested | ||||||||
| CPT Code: | 82378 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube. | ||||||||
| Handling: | Centrifuge SST within 2 hours of collection and transport refrigerated in original tube. Centrifuge red top tube within 2 hours and separate serum into a plastic vial. Refrigerate. | ||||||||
| Stability: | 8 hours ambient, 7 days refrigerated at 2-8° C, or 30 days frozen at -20° C. | ||||||||
| Standard Volume: | 1 mL serum. | ||||||||
| Minimum Volume: | 0.5 mL serum. | ||||||||
| Transport: | Refrigerated. | ||||||||
| Comments: | Patient Social Security Number must be provided if historical graph is to be reported. | ||||||||
| Rejection Criteria: | Gross hemolysis; plasma; specimen frozen and thawed more than once. | ||||||||
| Reference Range: | |||||||||||||||||||
| 0.0-3.0 ng/mL – non-smokers 0.0-5.0 ng/mL – smokers |
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