Anti Hepatitis B Surface Antibodies Titre

The Anti Hepatitis B Surface Antibody Titre test is used to determine immunity against the hepatitis B infection. It measures the level of antibodies in the blood that are produced in response to the surface antigen of the hepatitis B virus.

• How is the Anti-HBs Titre Test Done?

  • A blood sample is drawn by a technician for the test.
  • The blood serum is separated and processed using a kit.
  • Serial dilutions of the sample are made to determine the highest dilution that still yields a positive result.
  • This is reported as the antibody titre in ratios such as 1:4, 1:8, 1:16 etc.
  • Higher titre levels indicate higher antibodies and immunity against hepatitis B.

  Interpreting Anti-HBs Titre Test Results

  • Titre ≥ 1:10 or ≥10 mIU/ml indicates immunity due to prior infection or vaccination.
  • Titre < 1:10 indicates susceptibility to hepatitis B infection if exposed.
  • Testing is done both before and 4–6 weeks after hepatitis B vaccination to confirm seroconversion.
  • Fall in antibody titre levels over time could indicate waning immunity requiring a booster dose.

  Get your anti-HBs antibody titre tested at healthcare nt sickcare to monitor your hepatitis B immunity status. Order online or call +91 9766060629.

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