Hepatitis Virus Studies

Hepatitis is an inflammation of the liver which can be caused by viruses, alcohol intake, various drugs, toxins, or bad infections caused by bacteria. The three most common viruses now recognized to cause disease are hepatitis A, hepatitis B, and hepatitis C (also called non A / non B). Hepatitis D and E are other forms of viruses. Most often the hepatitis viruses are associated with the enzymes found in the liver. These enzymes include the AST, ALT, and LDH. These are tests used to measure the likelihood of you having one of these viral infections.

The tests that are often done for liver function are:

Serologic findings: HAV-AB/IgM

  • Hepatitis Testing Appearance/disappearance: 4-6 weeks/3-4 months

  • Application: Acute HAV infection

Serologic findings: HAV-Ab/IgG

  • Hepatitis Testing Appearance/disappearance: 8-12 weeks/10years

  • Application: Previous HAV exposure

Serologic findings: HBeAg

  • Hepatitis Testing Appearance/disappearance: 1-3 weeks/6-8 weeks

  • Application: Acute HBV infection

Serologic findings: HBeAb

  • Hepatitis Testing Appearance/disappearance: 4-6 weeks/4-6 years

  • Application: Acute HBV infection ended

Serologic findings: HBsAg

  • Hepatitis Testing Appearance/disappearance: 4-12 weeks/1-3 months

  • Application: Acute HBV infection

Serologic findings: HBsAb total

  • Hepatitis Testing Appearance/disappearance: 3-10 months/6-10 years

  • Application: Previous HBV infection

Serologic findings: HBVc-Ab/IgM

  • Hepatitis Testing Appearance/disappearance: 2-12 weeks/3-6 months

  • Application: Acute HBV infection

Serologic findings: HBVc-Ab total

  • Hepatitis Testing Appearance/disappearance: 3-12 weeks/life

  • Application: Previous HBV infection

Serologic findings: HCV-Ab/IgG

  • Hepatitis Testing Appearance/disappearance: 3-4 months/2years

  • Application: Previous HCV infection

Serologic findings: HDV Ag

  • Hepatitis Testing Appearance/disappearance: 1-3 days/3-5 days

  • Application: Acute HDV infection

Serologic findings: HDV-Ab total

  • Hepatitis Testing Appearance/disappearance: 2-3 months/7-14 months

  • Application: Chronic HDV infection

PREPARATION FOR TEST

No preparation or fasting is necessary. A blood sample is obtained by inserting a needle into a vein in the arm.

NORMAL FINDINGS

Negative

Ranges for normal findings may vary among different laboratories and hospitals. You should always check with your doctor after having lab work or other tests done to discuss the meaning of your test results and whether your values are considered within normal limits.

MEANING OF TEST

Your caregiver will go over the test results with you and discuss the importance and meaning of your results, as well as treatment options and the need for additional tests if necessary.

OBTAINING THE TEST RESULTS

It is your responsibility to obtain your test results. Ask the lab or department performing the test when and how you will get your results.