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HelpTest Code LAB57 Carcinoembryonic Antigen (CEA)
Department
CHEMISTRY
Primary Collection Container
Green PST (Lithium Heparin)
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge and refrigerate.
If drawn in red vacutainer separate serum from cells and refrigerate.
Stability
Ambient: 7 days
Refrigerated: 14 days Frozen: 6 months
Minimum Testing Volume
0.5 mL
Reference Range
0-5 ng/mL
Methodology
Roche e801 Electrochemiluminescence immunoassay; Sandwich principle
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
82378
Unacceptable Conditions
Gross hemolysis.