TB Serology Quantiferon | KK Women's and Children's Hospital

Specimen Container	Quantiferon-Plus tubes: Nil (Grey), TB1 (Green), TB2 (Yellow) and Mitogen (Purple)
Specimen Requirement	Prior to use, check that none of the tubes are defective, expired or have discoloured contents. Allow the tubes to equilibrate to air-conditioned room temperature (17°C to 25°C) before specimen collection. Ensure that the blood level is within the black marking on each tube. Recollect in a fresh tube if there is over or underfilling (above or underneath the black marking). Volume of blood MUST BE within 0.8 – 1.2 mL range. Collection order: Nil (Grey) ► TB1 (Green) ► TB2 (Yellow) ► Mitogen (Purple) Please refer to collection instructions.
Specimen Storage/Transport	Despatch to KKH DPLM before 2:00 pm from Monday to Friday except Public Holidays and eves of Public Holidays. Maintain at Room temperature 22 ± 5 °C
Orderable as Urgent?	No
Turn Around Time	2 to 5 working days
Testing Laboratory Location	SGH
Laboratory	Central Tuberculosis Laboratory
Contact Number	6394 1352
Day and Time Performed	Mon - Fri: 0800 hours to 1400 hours Please note that specimens will not be accepted on Saturdays, Sundays, eve of public holidays and on public holidays.
Orderable on CPOE?	Yes
Downtime Form	Quantiferon Test Form
Additional Information	Quantiferon-Plus tubes are available from SGH CENTRAL TB Lab. (Arrange with KKH DPLM Client Services to collect it).

Change History Notes

05 Mar 2024 08:00 AM

Updated. Test orderable on CPOE.
07 Feb 2023 12:00 AM

Updated Laboratory.
08 Nov 2021 02:00 PM

Updated Specimen Container, Specimen Requirement, Specimen Storage/Transport, Turn Around Time and Laboratory, Day and Time Performed and Addtional Information.

Last Updated - 05 Apr 2025