Carcinoembryonic Antigen (CEA) | KK Women's and Children's Hospital

Specimen Container	Gel separator tube (Adult)
Specimen Requirement	Plain blood Adult: 5 mL Invert blood 5 times after blood collection ensures the clot-activating factors is well mixed with the blood. This will ensure results are reliable.
Orderable as Urgent?	No
Turn Around Time	3 - 4 hrs
Reference Value(s)	Adult <= 5.0 ug/L
Testing Laboratory Location	KKH
Laboratory	Clinical Chemistry
Contact Number	6394 1383
Day and Time Performed	Mon – Fri 0800 hrs – 1700 hrs Sat: 0800 hrs – 1230 hrs
Orderable on CPOE?	Yes
Downtime Form	Clinical Chemistry - Form A

Change History Notes

27 May 2024 08:00 AM

Update of Specimen Requirement.
19 Oct 2021 02:35 PM

Updated Specimen requirement, Turn Around Time, Day and Time Performed and Reference Value(s).

Last Updated - 19 Jun 2025