Hepatitis B Immunity Profile (HBsAg, Anti-HBs) | KK Women's and Children's Hospital

Specimen Container	Gel separator tube (Adult) Microtube (Paeds)
Specimen Requirement	Plain Blood Adult: 5 mL Paediatric: 1.3 mL Invert blood 5 times after blood collection ensures the anticoagulant is well mixed with the blood. This will ensure results are reliable.
Orderable as Urgent?	No
Turn Around Time	Refer to individual test information.
Reference Value(s)	Refer to individual test information.
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
Additional Information	Refer to "HBsAg & Anti-HBs".

Change History Notes

15 Nov 2021 01:35 PM

Updated Specimen Requirement, Turn Around Time, Reference Value(s), Day and Time Performed and Additional Information.

Last Updated - 05 Apr 2025