Test Guide Mobile

Hepatitis A Genotyping

Blood
Test performed by: LabPLUS Virology/Immunology transport this to a 3rd party for testing

Referral laboratory address:

Specimen Reception

PHF Science Kenepuru

Kenepuru Drive

Porirua Wellington

Tel: +64 4 914-0700

Fax: +64 4 914-0770

Specimen Collection
3.5 mL SST Serum (Preferred)
4 mL EDTA Plasma
1.5 mL EDTA Whole Blood
4 mL Plain Serum
1.5 mL PPT Plasma
2 mL Paediatric 2xMicro-SST Serum

Serum / EDTA plasma obtained from all acute cases, diagnosed by positive IgM serology (in the absence of HAV vaccination in the preceding 12 weeks) or by detection of HAV by PCR/NAT.

Requires sample separation before sending away (please refer to the Laboratory Notes below).

The minimum volume of separated plasma or serum is 0.25 mL (250 uL).

Please refer to reference laboratory instructions: https://www.phfscience.nz/laboratory-test-catalogue/hepatitis-a-virus-genotyping/

Reference Intervals
Qualitative results reported

Turnaround Time:
As per referral laboratory

Assay Method
Please refer to reference laboratory instructions: https://www.phfscience.nz/laboratory-test-catalogue/hepatitis-a-virus-genotyping/

Diagnostic Use and Interpretation
Hepatitis A genotyping can be requested by Public Health, or following discussion with Clinical Virology.

Contact Information
Urgent enquiries:

In normal working hours (0800-1600 Mon-Fri) contact Clinical Virology via LabLINK (internal extension 22000, external number 093078995).
Outside of normal working hours (evenings and weekends) contact the On Call Clinical Microbiologist via Te Whatu Ora Te Toka Tumai Auckland main switchboard (093670000).

Non-urgent enquiries:

email ak-mol-inf-dis@tewhatuora.govt.nz

Specimen Transport Instructions for Referring Laboratories

Transport requirements:

Separated serum or plasma in a screw top "Sarstedt" vial - serotubes are unsuitable for shipping

Standard biohazard packaging. Frozen samples transportation is preferable.. Refrigerated specimen should be shipped on cold packs where possible. Ship same day or overnight. Include EpiSurv case and/or outbreak number.

Specimen stability and transport
Serum/plasma/whole blood specimens should be at room temperature for same day transport. If >24h delay, then refrigerate at 4 ⁰ C. If >1 week delay, specimen should be frozen.

Please refer to reference laboratory instructions: https://www.phfscience.nz/laboratory-test-catalogue/hepatitis-a-virus-genotyping/

Last updated at 21:13:00 31/12/2025