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Doctor insights on: Donor Hep B Surface Ag

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Dr. Anne Larson
1,031 doctors shared insights

Hepatitis B (Definition)

Hepatitis b is a viral liver disease. Until vaccines were developed this was a very common cause of hepatitis, and still is in some countries. Hep b is a progressive chronic disease which can lead to cirrhosis and also to cancer of the liver. It is also implicated in the causation ...Read more


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I'm positive for hep b surface ab, should I be worried?

I'm positive for hep b surface ab, should I be worried?

Not necessarily: Your body makes hep b surface antibody in response to the hepatitis b vaccine. It can also make it to the hepatitis b virus. If you've been vaccinated, it's more likely to be due to the first reason. If you're still concerned though, a test for hep b surface antigen and a liver function panel should clear things up. Most likely, they were checking your immunity status. ...Read more

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My hep b surface antigen is reactive it means im positive of virus ?

My hep b surface antigen is reactive it means im positive of virus ?

At least a carrier: There are other, additional, lab tests to see exactly what your infection and infectious status are. You need to follow up with your doc to find out, to see if you need rx, as well as need for testing of contacts. ...Read more

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Went for ob check up and it says im positive for hep b surface ab. Should I be worried?

Went for ob check up and it says im positive for hep b surface ab. Should I be worried?

Not necessarily: Your body makes hep b surface antibody in response to the hepatitis b vaccine. It can also make it to the hepatitis b virus. If you've been vaccinated, it's more likely to be due to the first reason. If you're still concerned though, a test for hep b surface antigen and a liver function panel should clear things up. Most likely, they were checking your immunity status. ...Read more

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My hep b surface antigen is positive but conformation test is negative, also all other test hsbc antibody and core negative , is it a false report?

My hep b surface antigen is positive but conformation test is negative, also all other test hsbc antibody and core negative , is it a false report?

Hepatitis B: R u certain the positive test was surface antigen & not surface antibody? The data u give don't fit the typical test results (see image). Perhaps the results were incorrectly reported to u. Check with doc who ordered tests. ...Read more

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Hep b surface antibody result :borderline range non reactive verified by analysis what's this mean ? Dr say wrong test vaccinated probably childhood

Hep b surface antibody result :borderline range non reactive verified by analysis what's this mean ? Dr say wrong test vaccinated probably childhood

Other tests: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, it would have been helpful to have all the results, e.g., Antibody to Hep B core? If that was negative, your doctor is likely to be correct. See this site for info. http://www.cdc.gov/hepatitis/HBV/PDFs/SerologicChartv8.pdf ...Read more

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Hi please help, hepb surface antigen positive, hep b surface antigen confirmatory negative, antibody negative and anti core negative.What does it mean?

Hepatitis B testing: You should have it rechecked. Hbsag or surface antigen tests are the same, not like in HIV which has screening and confirmatory test. Normally, in the window period after an acute infection, all test for surface antigen or its antibodies are negative except for antibody to core antigen. Hbsag or surface antigen appears right after infection or exposure and disappears in recovery. ...Read more

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What does it mean to have reactive hep b surface ab?

Vaccinated: a reactive hep B surface antibody test is seen when you have received the Hep B vaccine. no worries. ...Read more

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Hep b surface ab results - my doc says a positive might not always stay positive?

Hep b surface ab results - my doc says a positive might not always stay positive?

Antibody levels : Antibodies can last a lifetime or disappear as we age. At one time patients were told that at age 65 they would only need one pneumonia shot, the current recommendation is to consider a booster after 5 years. ...Read more