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Hepatitis B virus tests are blood tests that check for substances (antibodies) in your blood that show whether you have hepatitis B now or had it in the past. The tests can help tell you if you may have the disease long-term. It also can show how bad it is and how easily it can be spread. It also can show if you are protected from getting the disease.
Antibodies can take weeks or months to develop. So a test done early in the infection may show an infected person doesn't have it.
You may need testing if:
The tests also are done to help your doctor decide about your treatment and see how well it's working.
In general, there's nothing you have to do before this test, unless your doctor tells you to.
A health professional uses a needle to take a blood sample, usually from the arm.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to keep a list of the medicines you take. Ask your doctor when you can expect to have your test results.
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Adaptation Date: 5/6/2021
Adapted By: Alberta Health Services
Adaptation Reviewed By: Alberta Health Services
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