Nitroblue tetrazolium test (NBT) | KK Women's and Children's Hospital

Specimen Container	Lithium heparin tube (To be obtained from DPLM Client Services, after office hour call extension 1352)
Specimen Requirement	1 mL blood. Specimen must be sent to SGH immediately to ensure cell viability.
Specimen Storage/Transport	Specimen must reach DPLM Laboratory Reception between 0900 hrs - 1100 hrs.
Orderable as Urgent?	No
Turn Around Time	1 day
Reference Value(s)	-
Testing Laboratory Location	SGH
Laboratory	Haematology
Contact Number	6394 1352
Day and Time Performed	Mon – Fri: 0800 hrs– 1700 hrs Sat: 0800 hrs – 1200 hrs
Orderable on CPOE?	Yes
Downtime Form	63170-Form-1080 Haematology Laboratory Downtime Form
Additional Information	Fresh sample only

Change History Notes

Last Updated - 28 May 2025