Understand Your Test

Anti HBs

Formal Name


Hepatitis B Virus Testing


Why Get Tested?

To screen for or diagnose a hepatitis B virus (HBV) infection or to determine if the vaccine against hepatitis B has produced the desired level of immunity; may also be used to guide treatment and assess its effectiveness.

When To Get Tested?

When you have risk factors for HBV infection or when you have signs and symptoms of acute hepatitis; when you have a condition that requires chemotherapy or drugs that suppress your immune system and you might have been exposed to HBV in the past; when you are being treated for HBV.