Test Name CEA, serum (carcinogenic embryonic antigen)
Test Code CEA
Collection Device/Tube Type  3.5 mL blood - gold top serum separator tube (gel)
Submission Requirements
1 mL serum
  •  Refrigerate spun specimen

  If a delay of >3 days is expected between specimen collection and receipt at DynaLIFEDx Base Laboratory
  then, aliquot and freeze serum
Additional Comments   •  CEA should not be used for screening or as a primary diagnostic test
  •  CEA may be increased in heavy smokers
Frequency of Testing Daily
Reference Ranges < 5 ug/L
Last Updated 16 March 2015