HEPATITIS B CORE ANTIBODY TOTAL (HBCAB- TOTAL)

The Hepatitis B Core Antibody Total (Total Anti-HBc) Test is a laboratory blood test that detects total antibodies (IgM and IgG) against the hepatitis B core antigen (HBcAg). This test helps determine whether a person has ever been infected with the Hepatitis B Virus (HBV) and is an important component of the complete hepatitis B serological profile.

Hepatitis B is a viral infection that affects the liver and spreads through contact with infected blood, body fluids, contaminated needles, sexual contact, and from an infected mother to her baby during childbirth. While some people recover completely from the infection, others develop chronic hepatitis B, which can lead to cirrhosis, liver failure, and hepatocellular carcinoma (liver cancer) if left untreated.

Unlike the Hepatitis B Surface Antibody (Anti-HBs), which develops after vaccination or recovery, Total Anti-HBc antibodies are produced only after natural infection with the hepatitis B virus. Therefore, this test is particularly useful in determining whether an individual has been exposed to HBV at any point in their life.

The Total Anti-HBc Test detects both:

• IgM antibodies, which indicate recent or acute infection.
• IgG antibodies, which remain detectable for life following natural infection and indicate previous exposure.

A positive Total Anti-HBc result does not distinguish between acute, chronic, or resolved infection. For this reason, it must always be interpreted together with other hepatitis B markers, including:

• Hepatitis B Surface Antigen (HBsAg)
• Hepatitis B Surface Antibody (Anti-HBs)
• Anti-HBc IgM
• Hepatitis B e Antigen (HBeAg)
• Anti-HBe
• HBV DNA (PCR)

Doctors frequently order this test during hepatitis screening, blood donor evaluation, pre-employment health assessments, pregnancy screening, liver disease investigations, and before starting immunosuppressive therapy.

Benefits of the Test

• Detects previous or ongoing hepatitis B infection.
• Identifies natural exposure to HBV.
• Differentiates natural infection from vaccination.
• Supports comprehensive hepatitis B screening.
• Useful before immunosuppressive therapy or organ transplantation.
• Requires only a simple blood sample.
• Helps assess hepatitis B infection history.
• Provides reliable laboratory results using validated immunoassay methods.

Why Doctors Recommend This Test

Doctors recommend the Total Anti-HBc Test to determine whether a patient has ever been infected with hepatitis B. It is widely used during routine hepatitis screening, liver disease evaluation, blood donor screening, pre-transplant assessments, and before immunosuppressive treatment because prior HBV infection may reactivate during immune suppression.

Preparation Before the Test

No special preparation is required.

You may eat and drink normally unless instructed otherwise by your healthcare provider. Inform your doctor about previous hepatitis B infection, vaccination history, liver disease, medications, or recent exposure to hepatitis B. A blood sample is collected from a vein for laboratory analysis.

Normal Reporting Time

Typically: 1–3 Working Days

Reporting time may vary depending on laboratory methodology.

Who Should Take This Test?

This test is recommended for:

• Individuals undergoing hepatitis B screening.
• Patients with abnormal liver function tests.
• Blood donors.
• Pregnant women.
• Healthcare workers.
• Individuals with possible HBV exposure.
• Patients before chemotherapy or immunosuppressive therapy.
• Organ transplant donors and recipients.
• People with chronic liver disease.
• Anyone advised by their healthcare provider.