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Home > Patient & Family Resources > Health Library > Hepatitis A Virus Test
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The hepatitis A virus test is a blood test that shows whether you have a hepatitis A infection.
The test looks for antibodies made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have had one in the past.
Hepatitis virus testing is done to:
You don't need to do anything special to prepare for this test.
Talk to your doctor if you have any concerns about the need for the test, its risks, how it will be done, or what the results will mean. To help you understand the importance of this test, fill out the medical test information form .
The health professional taking a sample of your blood will:
The blood sample is taken from a vein in your arm. An elastic band is wrapped around your upper arm. It may feel tight. You may feel nothing at all from the needle, or you may feel a quick sting or pinch.
There is very little chance of a problem from having a blood sample taken.
No hepatitis A virus antibodies are found.
Hepatitis A antibodies are found. You may need more tests to find out if you have a present, active infection or a past infection that got better.
Your doctor will talk with you about anything that might keep you from having the test or that may change the test results.
Your results may need to be checked again if you are taking some herbs or other natural products.
Other Works Consulted
Pagana KD, Pagana TJ (2010). Mosby's Manual of Diagnostic and Laboratory Tests, 4th ed. St. Louis: Mosby.
Current as of:
February 11, 2020
Author: Healthwise StaffMedical Review: E. Gregory Thompson MD - Internal MedicineAdam Husney MD - Family MedicineW. Thomas London MD - Hepatology
Current as of: February 11, 2020
Author: Healthwise Staff
Medical Review:E. Gregory Thompson MD - Internal Medicine & Adam Husney MD - Family Medicine & W. Thomas London MD - Hepatology
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