CARCINOEMBRYONIC ANTIGEN

Mnemonic

CEA

Synonym

CEA

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.3 mL

Transport

Frozen at or below -20°C

Rejection Criteria

Grossly hemolyzed specimens or plasma

Stability

AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 8 hours; Refrigerated (2-8°C): 48 hours; Frozen (at or below -20°C): 2 months

Testing Information

Performed

Mon - Fri at GSRMC

Method

Chemiluminescent Immunoassay

Referral Lab

Samaritan Health Services Laboratories-GSRMC

Reference Values

Reference Values

Non-Smokers: 0-3.8 ng/mL
Smokers: 2.6-5.0 ng/mL

CPT Codes

82378

Last Updated: Thursday, January 5, 2017 03:42:02 AM