The New Zealand Institute for Public Health and Forensic Science (PHF Science) was formerly named The Institute of Environmental Science and Research (ESR).

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Hepatitis B Surface Antigen (HBsAg) Confirmation

Bloodborne Virus Laboratory

Used to confirm weak HBsAg EIA results.

Area	Health Science
Lab name	Bloodborne Virus Laboratory
Lab location	Wallaceville Science Centre, Upper Hutt
Test name	Hepatitis B Surface Antigen (HBsAg) Confirmation
Organisms	Hepatitis B virus
Requested for surveillance	no
Notice required	no
Routine turnaround time	5 working days
Sample requirements	Serum or plasma minimum 500 µL
Pre-transport requirements	5 ± 3°C for less than 24 hours
Transport requirements	Ambient temperature within 24 hours
Unacceptable sample types	Insufficient sample ≤ 500 µL
How results reported	Presence of HBsAg confirmed or not confirmed
Test form number	PHFS6047
Referral link	Download form