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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

(a.k.a Carcinoembryonic Antigen)
minimum sample volume required ~ 5ml

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Test Code: CEA

Tube type: SST

Other acceptable tube types
Lithium heparin (pale green)

Special instructions

Reference Range
Please note: Change in method and upper reference limit from 10/01/2023.
Patients with known elevated CEA may have significant measurement changes with the new method.

Minimum retesting interval
Test should not be repeated within 7 days


Turnaround Time
2 days

Department: Biochemistry

Clinical Application
This Tumour Marker is used in monitoring diagnosed gastrointestinal malignancy. Its use in screening is limited by sensitivity and specificity. Recommend measurement pre-operatively in all ovarian cancer.


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