Test Overview
Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

To follow patients with neoplasm and to evaluate the effect of antineoplastic therapy, particularly in pancreatic and colorectal carcioma. Clinical relevance has also been shown in the follow-up management of patients with breast, lung, prostatic and ovarian carcinoma.

Reference Range *

Adult nonsmoker up to 3.0 ng/mL, Adult smoker up to 5.0 ng/mL.

Test Limitations

CEA levels are elevated in smokers, former smokers, patients with inflammatory bowel disease, and patients with noncolorectal or pancreatic neoplasms

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
CEA
MiChart Code
CEA (Carcinoembryonic Antigen)
Synonyms
  • CEA
  • Glucuronidase, Beta
  • BGCC
  • CARCINOEMBRYONIC ANTIGEN
  • BETA-GLUCORONIDASE, CSF
Laboratory
Chemical Pathology
Section
Automation
STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

Specimen Requirements
Collection Instructions

Collect specimen in an SST or red top tube. Refrigerate and send intact specimen within 8 hours of collection. Alternatively, centrifuge, aliquot serum into a plastic vial and refrigerate up to 48 hours or freeze for longer storage.

Alternate Specimen
Red Top Tube; Cyst Fluids acceptable for analysis upon approval by chemistry director or supervisor. [9/09]
Contraindications
This test should not be used as a screening test for carcinoma.
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
82378
Fee Code
23322
LOINC
2039-6
NY State Approved
No