Laboratory Test Information Guide

Details for CEA, Plasma/Serum

Test Name: CEA, Plasma/Serum
Alternate Name(s): Carcinoembryonic Antigen
Laboratory: Core
Specimen Type: Adult:
4.5 mL Light Green top (Li-Heparin) Vacutainer tube

0-2 years: 0.5 mL Light Green top (Li-Heparin) Microtainer
2-10 years: 3 mL Light Green top (Li-Heparin) Vacutainer tube

Red, Gold, or Lavender (EDTA) top tubes are also acceptable
Collection Information: Minimum volume of plasma or serum required is 700 L for adult samples or 200 L for pediatric samples.
Test Schedule: As required
Turnaround time from when specimen
is received in testing laboratory:
4 hours
Reference Range: 20 - 40 years:
non-smokers (past/never smokers): ≤ 3.8 g/L
smokers (current): ≤ 5.5 g/L
all subjects: ≤ 4.7 g/L

40 - 69 years:
non-smokers (past/never smokers): ≤ 5.0 g/L
smokers (current): ≤ 6.5 g/L
all subjects: ≤ 5.2 g/L
Effective Date: 2009-12-01
Revised Date: 2018-03-06
Critical Value:  
Interpretive Comments: Useful in monitoring patients with colorectal, bronchogenic, and breast carcinoma. Not recommended for cancer screening in the general population.
Special Processing:  
Comments: Biotin may interfere with this test. Samples should not be taken from patients receiving high biotin doses (i.e. > 5 mg/day) until at least 8 hours after the last biotin administration.
Method of Analysis: Roche Electrochemiluminescence
Critical Information Required:  
Storage & Shipment:  
System Codes: 
Referred To:  

Questions? Comments? Contact Laura Gopaul