What is the HBsAg Blood Test?

Hepatitis B surface antigen (HBsAg) is a type of blood test used to check if a person has a hepatitis B viral infection. If specific antibodies are found, the person has a hepatitis B infection. This also means that the person is positive for HBsAg and that others may get this infection through their blood or body fluids. HBsAg can be detected in the blood during both acute infections and chronic infections.

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What is the HBsAg test used for?

  • The HBsAg test aids in identifying whether an individual is experiencing acute or chronic HBV infection.
  • It offers vital information for healthcare providers to make decisions regarding post-test measures and referral to appropriate care.
  • The test results play a significant role in guiding treatment choices and evaluating immunity acquired from previous infection or vaccination.
  • The utilization of the HBsAg test is imperative in effectively managing HBV infection and ensuring the provision of suitable care and support.

Why do I need the Hep B blood test?

The HBsAg test plays a crucial role in detecting Hepatitis B virus infection, with a positive outcome indicating the virus's presence in the individual's blood and bodily fluids, rendering them infectious to others. This verification is necessary to start prompt treatment and enforce preventive measures to halt the spread. Timely identification and control are key in averting serious complications and enhancing the person's outlook.

  • A positive HBsAg test indicates the presence of the Hepatitis B virus.
  • Triggers the start of treatment right away.
  • Aids in stopping the spread of the virus to others.
  • Detecting it early is key to avoiding serious complications.
  • Prompt management enhances the individual's outlook for recovery.

Can HBsAg positive be cured?

  • Chronic infections of hepatitis B do not have a known cure, although acute infections can be resolved.
  • The management of hepatitis B requires both lifestyle adjustments and the use of medication.
  • Regular monitoring of liver function, cancer susceptibility, and overall health is of utmost importance.
  • The vaccination against HBV plays a critical role in preventing infection.

What is the normal range of HBsAg?

If the level of hepatitis B surface antigen (HBsAg) is less than 5 mIU, the test is considered negative. In contrast, an HBsAg level greater than 12 mIU is considered a protective indicator against infection. If the HBsAg level is between 5 and 12 mIU, the test is considered inconclusive, and it should be repeated for confirmation.


Can hepatitis B change negative?

  • Hepatitis B rarely reverts to a negative status once contracted.
  • Effective treatments exist for managing hepatitis B in the current era.
  • Antiviral medications help control the viral load associated with hepatitis B.
  • Immediate consultation with a physician is crucial for detailed information and treatment.
  • Antiviral medication use may lead to side effects during treatment.

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Frequently Asked Questions

No special preparation is required for the HBsAg test.

An HBsAg test is typically recommended for those at higher risk of contracting hepatitis B or those with symptoms of hepatitis B.

Yes, a vaccine for hepatitis B is available and is highly effective in preventing the infection.

Yes, hepatitis B can be spread through sharing needles or other injecting equipment.

Yes, hepatitis B can be passed from an infected woman to her baby during pregnancy or childbirth.

No, individuals with hepatitis B are not eligible to donate blood.

Yes, with proper management and treatment, many individuals with hepatitis B can lead normal, healthy lives.

The HBsAg Test cost is approximately Rs. 1,300.

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