Is Pcr Dna Accurate After 28 Days

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Ask the Experts

DNA PCR tests, when/if 100% accurate?

With DNA PCR testing, when would you say that this test is 100% accurate and conclusive after an exposure to HIV? In your opinion, is DNA PCR testing at 28 days more accurate than HIV antibody/ELISA testing at the six month time frame? Are either...

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine

DNA PCR testing today is close to 99.99% accurate. There is always the chance of a false negative. DNA PCR at 28 days, in my opinion (based on only limited published studies and personal observation), is equal to an ELISA at 6 months.MH... Read more »

Re Hiv Dna Pcr Possitive..confirmed negative (ANOTHER FALSE POSITIVE PCR TEST, 2011)

Hello Dr.BobIts a new day today..I had a second DNA PCR but this time at the research department of... Read more »

Response from Robert J. Frascino, M.D. »

PCR DNA testing, is it accurate???

I asked the CDC if the PCR DNA test was accurate for the detection of HIV and their response was... Read more »

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C. »

Go to Ask the Experts »

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Connect With Others

how accurate is hiv dna test

Posted by gpboy, 1 Reply

i have given hiv dna pcr test on 9th day after probable exposure.

i am waiting for the results in next two days. can any one say how much i can trust this test results? Read more »

How accurate are PCR tests?

Posted by SoStupid, 1 Reply

Hi everyone...

Well, I'm starting to realize that I'm going to be nuts by 3 months of waiting. My question is simple and to the point: How accurate are PCR tests? I've heard a lot of conflicting statements, but it seems that if you get a good... Read more »

DNA PCR Qualitative Tests

Posted by Anonymous, 1 Reply

Can somebody tell me the accuracy of DNA PCR Qualitative tests? If they are accurate when should they be got done at the earliest? I have read that they are not advised due to high false positive results. If so, then if result is negative is it... Read more »

DNA PCR

Posted by Anonymous, 2 Replies

OK This is the story. After little over a month of my last exposure I had a Elisa test (negative) and 16 days after the Elisa a DNA PCR. For the DNA I called a number the CDC hotline gave me for Specialized Testing. The DNA PCR came back negative... Read more »

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