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HCM is Hepatitis B Core IgM


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The HCM is Hepatitis B Core IgM is included in test packages, which you can buy at a lower price.

The hepatitis B surface antigen (HBsAg) is most frequently used to screen for the presence of this infection. It is the first detectable viral antigen to appear during infection. However, early in an infection, this antigen may not be present and it may be undetectable later in the infection as it is being cleared by the host. The infectious virion contains an inner "core particle" enclosing viral genome. The icosahedral core particle is made of 180 or 240 copies of core protein, alternatively known as hepatitis B core antigen, or HBcAg. During this 'window' in which the host remains infected but is successfully clearing the virus, IgM antibodies to the hepatitis B core antigen (anti-HBc IgM) may be the only serological evidence of disease. Therefore most hepatitis B diagnostic panels contain HBsAg and total anti-HBc(both IgM and IgG).

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Purpose of the test

The Hepatitis B Core Antibody test is designed to detect the presence of antibodies called IgM in the blood. These antibodies are produced by the immune system in response to the core of the hepatitis B virus (HBV) during the active stage of infection. The presence of these antibodies indicates an active HBV infection. The test helps in distinguishing between individuals who have been infected with HBV and those who have been vaccinated against it, as the latter will not have the core antibody in their blood.

Who Should Get Tested

Individuals who exhibit symptoms of hepatitis B or have a history that puts them at risk for exposure to the virus should be tested. Symptoms can include extreme fatigue, nausea, loss of appetite, muscle aches, fever, jaundice, dark-colored urine, abdominal pain, and in severe cases, swelling and confusion. Risk factors include having sexual contact with an infected person, living in close proximity to someone with the virus, sharing needles for drug use, working in healthcare settings with exposure to blood, and receiving blood transfusions or organ transplants.

Preparing for the Test
Depending on the type of cholesterol test, you may be required to fast for 9 to 12 hours before the test. This means avoiding all food and drinks except water. Fasting is usually required for a lipid panel, which measures LDL and HDL cholesterol, and triglycerides.
Inform your healthcare provider about any medications you are currently taking, including over-the-counter medications and supplements, as they can affect your test results.
Avoid alcohol consumption for at least 24 hours before the test, as alcohol can raise triglyceride levels.
Avoid heavy exercise for 24 hours before the test, as this can also affect cholesterol and triglyceride levels.
Avoid smoking or using any nicotine products for at least 30 minutes before the test, as they can temporarily increase cholesterol levels.
Follow instructions
Follow any specific instructions provided by your healthcare provider, such as the time of day to take the test or any dietary restrictions.
Interpreting Test Results

A negative or nonreactive result indicates that no hepatitis B core IgM antibodies were found, suggesting no active HBV infection. A positive or reactive result signifies an active HBV infection. In most cases, a positive result means the individual will recover within six months. However, if the infection persists beyond this period, it may lead to chronic conditions, and medical intervention might be necessary.

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