Hepatitis Panel Explained

A hepatitis panel is a group of blood tests that checks for signs of hepatitis A, hepatitis B, and hepatitis C in one sample. Each virus is a different infection with its own markers, so the panel looks for a mix of antibodies and antigens that point to past or present infection. For hepatitis A, the panel checks for antibodies. For hepatitis B, it looks at surface antigen, surface antibody, and core antibody. For hepatitis C, it checks for antibodies to the virus. The results give your clinician a broad picture of your liver infection status, which is useful for screening, for people with symptoms, or before starting certain medications.

What a Hepatitis Panel Checks

The panel combines tests for all three common hepatitis viruses in a single blood draw. Hepatitis A testing looks for total and IgM antibodies to distinguish past infection or vaccination from a current case. Hepatitis B testing covers three markers that reveal active infection, immunity, and past exposure.

Hepatitis C testing checks for antibodies that develop after exposure to the virus. Taken together, the results show which viruses you have encountered, which require follow up, and which you are protected against.

Hepatitis A Markers

For hepatitis A, the panel measures two types of antibodies. IgM antibodies appear during a current or recent infection and fade within months. Total antibodies, including IgG, appear after infection or vaccination and last for life, confirming protection.

A positive IgM result means an acute infection, while a positive total result without IgM usually means past infection or vaccination. These markers help distinguish an active case from long term immunity.

Hepatitis B Markers

Hepatitis B testing covers the surface antigen, which signals active infection; the surface antibody, which signals immunity from vaccination or recovery; and the core antibody, which signals past or ongoing exposure. The combination of these three tells the full story.

For example, a positive surface antibody alone means you are immune from the vaccine. A positive surface antigen means an active infection that needs follow up. The core antibody helps sort out past infections.

Hepatitis C Markers and Next Steps

For hepatitis C, the panel checks for antibodies that indicate past or current exposure. A positive antibody result does not distinguish a current infection from a cleared one, so a follow up RNA test is needed to confirm active infection and guide treatment.

If any result is positive, your clinician will explain what it means and order any confirmatory testing. A negative panel means no exposure was detected and, for hepatitis B, that vaccination may be recommended if you are not immune.

Before your appointment, no special preparation is needed, though letting the clinician know about any symptoms, exposures, or vaccination history helps them interpret the results. The panel uses a single blood draw, and results usually return within a few days. Interpreting the combination of markers is best done with a clinician, since the meaning of each result depends on the others and on your history.

Order Hepatitis A, B, C Panel Online