Description

The Hepatitis B Immunity Blood Test measures the level of hepatitis B surface antibodies (HBsAb) in your blood. These antibodies are produced by your immune system in response to either vaccination or natural exposure to the hepatitis B virus (HBV).

Purpose of the Test:

  • Determine if you are immune to Hepatitis B
  • Check your immune response after vaccination
  • Confirm past infection and recovery from HBV

Who Should Get Tested:

  • Individuals who completed the Hepatitis B vaccine series
  • Healthcare workers or people at risk of exposure
  • Those with a history of hepatitis B infection
  • Individuals needing proof of immunity for school, work, or travel

Understanding Your Results:

  • Positive (Reactive): You have immunity to Hepatitis B
  • Negative (Non-reactive): You are not immune and may need vaccination or a booster

Test Details:

  • Test Name: Hepatitis B Surface Antibody (HBsAb)
  • Sample Type: Blood
  • Fasting Required: No

Why It Matters:

Knowing your Hepatitis B immunity status can help you:

  • Avoid unnecessary revaccination
  • Take timely action to protect yourself
  • Meet health and safety requirements for employment, education, or travel