Description
See Also Hepatitis Bs Antigen (HBsAg), Serum
Indications
HBsAb is a protective antibody that neutralises the virus. During convalescence, HBsAg and HBeAg are cleared, and HBsAb and HBeAb develop. The presence of HBsAb following acute infection indicates recovery and immunity from re-infection. HBsAb is also detected among persons who have received hepatitis B vaccine.
Sample Type, Quantity & Conditions
1 ml Serum 1 ml K2-EDTA, Na, Li-Heparin, or Sodium Citrate Plasma. Stability: 14 Days at 2-8 °C > 14 Days at -20 °C
Special Precautions
Avoid grossly haemolysed samples.
Normal Range
Non-Reactive: < 10 mIU/mL Reactive: ≥ 10 mIU/mL