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CEA
(a.k.a Carcinoembryonic Antigen)
minimum sample volume required ~ 5ml
Test Code: CEA
Tube type: SST
Other acceptable tube types
Lithium heparin (pale green)
Special instructions
None
Reference Range
<3
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
Units
µg/L
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.
