Nucleic Acid test for HIV, HCV & HBV (NAT testing) | KK Women's and Children's Hospital

Specimen Container	EDTA tube
Specimen Requirement	Whole Blood EDTA 6 mL
Specimen Storage/Transport	Refrigerate sample until transfer to laboratory. Do not centrifuge or freeze. Sample should reach the laboratory as soon as possible, preferably within 24 hours after collection.
Orderable as Urgent?	No
Turn Around Time	1 - 3 days
Reference Value(s)	Limit of Detection for HIV-1 Group M: 25.7 IU/mL Limit of Detection for HIV-1 Group O: 8.2 copies/mL Limit of Detection for HIV-2: 4.0 IU/mL Limit of Detection for HCV Test: 7.0 IU/mL Limit of Detection for HBV Test: 1.4 IU/mL
Testing Laboratory Location	NUH
Laboratory	Molecular Diagnosis Centre
Contact Number	6394 1352
Day and Time Performed	Mon - Fri: 0800 hrs to 1700 hrs Sat: 0800 hrs - 1230 hrs
Orderable on CPOE?	No
Downtime Form	63170-Form-1080 Haematology Laboratory Downtime Form

Change History Notes

Last Updated - 29 Oct 2025

Nucleic Acid test for HIV, HCV & HBV (NAT testing) ( DISCONTINUED)