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There is no blanket answer to this question. Each blood test for STDs has a different rate of false positives and false negatives. The answer depends on the STD being tested, the patient's health history and exposure history, and the methodology used by the lab for the test. Talk to your health care provider for information specific to the tests that you have had.

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Q: How accurate are STD blood tests?
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Related questions

How do you do STD test on man?

Your physician will advise the tests for you. The pathologist will take your blood and urine for the testing.


What are some different types of blood tests?

There is HIV testing,allergy testing,cancer blood testing,STD testing. There are different types of blood tests. They help doctors check you for diseases and different things.


Can you get a negative home pregnancy test and a positive blood test?

Yes. The home tests aren't accurate and only the blood test is the accurate one.


Is a negative blood pregnancy test 49 days after intercourse accurate?

There are two kinds of blood tests for pregnancy tests -- quantitative and qualitative. Assuming you've waited long enough (much less than 49 days), and the test is done properly by the lab, the quantitative test is very accurate. The qualitative blood test is about the same accuracy as urine tests. Even the home urine tests are 97% accurate. So if you took the quantitative blood test you can be very sure it's right. Even with the other tests 97% is pretty accurate. I suspect the error rate in blood labs is greater than that.


Can you find out if you pregnant in a week?

No. Blood tests can be considered accurate around 10 days after ovulation and home pregnancy tests can be considered accurate around 14 days after ovulation.


Is a blood test accurate to know if you are pregnant?

Normally, yes. But qualitative blood tests (yes/no) have more cases of error than quantitative tests (done days apart).


After miscarriage and 0 hcg Does it make it hard for pregnancy tests to read accurate?

Hello, If you have 0 HCG in your blood, and if you conceived after this then a pregnancy test would be accurate. A pregnancy test will not be accurate if you have any HCG in your blood.


Are there effective home blood typing kits?

There are a few home blood tests that you can purchase to find out your blood type. However, it may not be as accurate as an official blood test from your doctor. But many people claim that it is approximately 95% accurate!


Do you have to have a blood test when im pregnant?

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Are IQ Tests accurate?

Some are accurate.


How do you know you are pregnant in early few days?

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Are there home kits for diabetes tests?

Yes there are, some are blood tests, some are urine tests, and you can even find them at stores like Walgreens. However if you want the most accurate test you should see your doctor.