Hepatitis B viral loads




  • Hepatitis B virus (HBV) is the quantifiable measurement of HBV DNA in human plasma
  • Further tests for HBV positive patients include Hepatitis D PCR
  • Samples for HBV viral loads must reach the laboratory within 6hrs of collection and must be received before 16.30hrs Monday to Friday
  • Please telephone the laboratory when these samples are collected

Sample requirements

Plasma - paired samples not required

4ml of blood taken into an EDTA Tube

For adults 2 full EDTA tubes required for each test -  eg. for HBV viral load and Hepatitis D PCR, 4 EDTA tubes in total are required



For babies and small children a minimum of one full 2mL paediatric EDTA  or one full paediatric Mini Collect EDTA tube is required

4mL EDTA tube



2 mL paediatric EDTA tube

Paediatric Mini Collect EDTA tube

Required information

  • Relevant clinical details
  • Time of sample collection


Transport immediately at ambient temperature

Turnaround time

Up to 10 days


Reported in IU/mL and log IU/mL

Lower limit of detection: 10 IU/mL <1.00 log IU/mL
Upper limit of detection: 100 million IU/mL 7.0 log IU/mL

Result interpretation




Page last reviewed: 23/06/2017