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Doctor insights on: Hcv Tests

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Are HIV antibody tests accurate? Are hepatitis C antibody tests accurate?

Are HIV antibody tests accurate? Are hepatitis C antibody tests accurate?

Testing for Viruses: Yes. Of course. But, it does matter the timing of the tests and the length of time since the possible infectious exposure. ...Read more

Dr. Camilla Graham
774 doctors shared insights

Hepatitis C (Definition)

An infection caused by the hepatitis C virus that attacks the liver and ...Read more


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Window for hcv ab test and hcv rna test?

Window for hcv ab test and hcv rna test?

HCV: Nowadays with polymerase chain reaction technology it is making "window" periods a less discussed issue. In my practice if I suspected a recent infection (say days to weeks old)..this test would show virons in your blood. Once this virus hits your bloodstream it explodes exponentially. Some people are fortunate that their bodies contain the infection..most do not. ...Read more

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What are HCV RNA tests?

What are HCV RNA tests?

Blood test: Hcv RNA is a blood test that quantifies how mich virus you have in your body; also called your "viral load". It is measured from a standard blood draw and reported as iu (international units) per milliliter (ml). ...Read more

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Is hiv-1-pcr quantitative and HIV RNA PCR quantitative same tests?can DNA PCR test be quantitative?

Is hiv-1-pcr quantitative and HIV RNA PCR quantitative same tests?can DNA PCR test be quantitative?

HIV testing: Yes. Viral testing can be qualitative or quantitative. Most HIV RNA testing is quantitative. ...Read more

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Advia hep.C antibody +, HCV RNA -. 3 months later Architect hep C Ab -, HCV RNA -. 2 Hep C Ab Verification tests -.Is Advia hepC Ab test false positiv

Advia hep.C antibody +, HCV RNA -. 3 months later Architect hep C Ab -, HCV RNA -. 2 Hep C Ab Verification tests -.Is Advia hepC Ab test false positiv

Without more info: and only the data you submitted in your question, I would put it together the way you did: the first Advia hepC Ab test was a false positive. I presume other experts who arranged your follow-up testing have suggested the same interpretation. Stay well:) ...Read more

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Is RNA PCR test for HIV accurate?

Is RNA PCR test for HIV accurate?

Yes: The nucleic acid test for HIV becomes positive about 20 days after exposure to the virus. ...Read more

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Advia hep. C antibody +,HCV RNA -. 3 months later Architect hep. C antibody -, HCV RNA -. 2 hep C Ab Verification tests-.Can above person donate blood?

Advia hep. C antibody +,HCV RNA -. 3 months later Architect hep. C antibody -, HCV RNA -. 2 hep C Ab Verification tests-.Can above person donate blood?

May be: You ought to disclose these results to the blood bank so that they may make a determination on your eligibility to donate along with other health factors. I commend you for considering doing your civic duty. ...Read more

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Are false positive HIV tests rare?

Are false positive HIV tests rare?

HIV testing: This depends upon the test employed. They are generally both sensitive and specific but false positive results do occur. This question can be overcome with further testing, the most specific being PCR for HIV RNA. You should be seen by an expert in the management of HIV disease. ...Read more

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Are the oraquick HIV tests reliable?

Are the oraquick HIV tests reliable?

Not reliable enough: 97% of HIV infected individuals will develop antibodies to HIV within 3 months. 3% of HIV patients will take up to 6 months to develop antibodies. Compared to a blood test done in a laboratory Oraquick has an 8% false negative rate. *1 out of every 12 people WITH HIV will be read as negative. The Home Access HIV-1 collection test system which uses a finger stick blood sample is 100% accurate. ...Read more

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What causes false positive HCV antibody test results?

What causes false positive HCV antibody test results?

Misinformed?: Who told you that your hep c test was false? If you have no viral load that means you cleared an infection. Are you sure you are getting the right advice? ...Read more

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Positive anti-hcv test, negative hcvnat test?

Positive anti-hcv test, negative hcvnat test?

Don't have hep C now: If you meant the hcv RNA test was negative (and it was a good quality one), then the 1st positive anti-hep c ab test means one of two things: it was a false positive or you were infected at one piint in time and then was able to clear the infection on your own. ...Read more

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Are RNA tests accurate for testing for HIV?

Yes, but...: The HIV RNA tests are checking for the presence of certain parts of HIV. When positive, it can give us an idea of how much HIV is present. Most of the time, when positive, it highly suggests HIV infection. However, in rare instances, there can be false positive tests, which mean that a positive test may represent something else, not HIV. Thus, the best test for HIV is a standard HIV antibody test. ...Read more

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Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Positive HIV screener test at blood donation... Negative IFA and Negative NAT... False positive?

Yes: The initial screening test for HIV is very sensitive, but not very specific. The back up screening tests are much more specific for HIV. ...Read more

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When are HIV tests conclusive?

When are HIV tests conclusive?

When positive: Hiv are tests are conclusive when antibody is detected and confirmed by western blot, HIV viral antigen is detected in blood and/or HIV nucleic acid is detected in blood. A negative test does not rule of HIV infection as there are so called window periods. See this site for more information. http://www.webmd.com/hiv-aids/guide/hiv-aids-diagnosis-tests. ...Read more

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Test results: hepatitis Be Ab non-reactive Hepatitis Be Ag: negative Hepatitis Bs Ag: non reactive Quantitative HBV PCR : detected What it means?

Test results:
hepatitis Be Ab non-reactive
Hepatitis Be Ag: negative
Hepatitis Bs Ag: non reactive 
Quantitative HBV PCR : detected 
What it means?

See below: 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, from what you provided, you could have an early stage infection with hepatitis B. More than 80% of the people recover from the infection on their own. Discuss it with the doctor who ordered the test. ...Read more

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