How reliable is PCR DNA test

[milw88]

How reliable is the results of a HIV DNA by PCR?

I have had some sexual activities in the past 2 months in which i am unsure of the risk associated with such activities... usually used condoms with any activites but not with oral.

Last activity I believe there was an exposure of high risk...  receptive anal where condom broke.

I took a blood test within 5 days with MD that came back negative. that was about 8 weeks after any low risk exposure.

MD said White blood count was 10500 which was high.

I then took the PCR DNA test about 2 1/2 weeks after this high risk exposure...

Currently awaiting results  

How accurate is the PCR test and Does the High blood count signify potentail Positive from latest high risk exposure.

If PCR comes back negative how reliable is that?  can I rest easy?

Thoughts?

I am a bit stressed.....  

[Teak]

PCR-DNA test are not approved to be used to diagnose HIV.

[milw88]

So if I receive a negative test result with PCR - can i rest a bit easier?

DOes it increase my likelihood that I will test negative on antibody test at 3 months?

Why would they suggest this test to me?

Just trying to understand the thought process and keep from jumping out a window

Thansk for the good advice

[nas1676]

what kind of anti body test available now,

it mean elisa 1and  2,

i want to know what is elisa 1 , 2

HIV duo  or combo test?

[Vance2335]

A PCR test (Polymerase Chain Reaction test) can detect the genetic material of HIV rather than the antibodies to the virus, and so can identify HIV in the blood within two or three weeks of infection. The test is also known as a viral load test and HIV NAAT (nucleic acid amplification testing).

Babies born to HIV positive mothers are usually tested using a PCR test because they retain their mother's antibodies for several months, making an antibody test inaccurate. Blood supplies in most developed countries are screened for HIV using PCR tests. However, they are not often used to test for HIV in individuals, as they are very expensive and more complicated to administer and interpret than a standard antibody test.


It can detect, does not mean that it is conclusive. An antibody test is still required at 3 months for a conclusive result.

[milw88]

I read that PRC is conclusive and an approved test by FDA and such...

Why would they recommend PCR if the results are not conclusive or atleast give a better idea of whether there is a likely hood of a positive or begative result.


vance, what does helpful mean?

[Vance2335]

PCR is helpful but an antibody test must be done at 12 weeks for a conclusive result.