Test Code CEA Carcinoembryonic Antigen (CEA)
Performing Laboratory
| Memorial Hospital Laboratory- Automated Procedures | 304-388-5953 |
| Teays Valley Hospital Laboratory | 304-757-1770 |
| Beckley Cancer Center Laboratory | 304-461-2222 |
Specimen Requirements
Memorial, Teays
Serum-SST gold top or red top
Allow SST or red top to completely clot
Spin and physically separate serum from contact with cells as soon as possible
4 mL of serum (minimum 2 mL)
Beckley
Serum, Heparin Plasma and EDTA Plasma
Minimum 20uL
Specimen Rejection
- Improperly labeled, collected, stored, and transported
- Quantity not sufficient
Additional Rejections at Beckley Only
- Turbid
- Hemolyzed
- Lipemic
Storage and Stability
Memorial, Teays
| Room temperature 15-30oC | 8 hrs |
| Refrigerated 2-8oC | 48 hrs |
| Frozen <-20oC | Not specified |
Beckley
| Refrigerated 2-8oC | 7 days |
| Frozen <-20oC | 4 weeks |
Reference Values
0.0-2.5 ng/mL
Levels are slightly higher in smokers than in non-smokers
Methodology
Memorial, Teays-Two site chemiluminescent immunoenzymatic sandwich assay
Beckley- Immunometric immunoassay
Days Test Set Up and Turnaround
Memorial, Teays
Monday through Sunday, Continuously
| AM Collection | Expected by 9AM same day |
| Routine | Expected within 24 hrs |
| Stat | Expected within 1 hr |
| Timed | Expected results are test dependant |
Beckley
Monday through Friday continuously
CPT Coding
82378