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Does HIV RNA PCR Diagnostic Test Give Accurate Results?

Posted on Mon, 13 Feb 2017

Question: Hello, I had a high risk encounter for hiv. At 9 days I took the Hiv Rna Pcr Quantitative test, negative. Some doctors here say its 99.7% accurate is that true?

Answered by Dr. Sunil Jangid (1 hour later)

Brief Answer:
It is highly reliable but not 99.7%.

Detailed Answer:
Dear xxxxxxxxxxxxxxxxxxx,

Welcome to HCM.

HIV RNA PCR test is highly reliable after 9 days but not 99.7%. You have to tell me in detail about your exposure so that I can explain you in much better way. Be relaxed and get back to me with details.

Thank You

Above answer was peer-reviewed by : Dr. Nagamani Ng

Follow up: Dr. Sunil Jangid (7 minutes later)

It was unprotected receptive anal sex with a stranger who claimed to be hiv negative. I will do all of the follow up tests but I really need peace of mind. I have huge personal things happening right now and I need to have a very good idea what my status is.

Answered by Dr. Sunil Jangid (5 hours later)

Brief Answer:
No need to get so much anxious.

Detailed Answer:
Dear xxxxxxxxxxxxxxxxxx,

Welcome back and thanks for follow-up.

The risk of getting HIV from single unprotected act of anal sex is very unlikely and RNA PCR test after 9 days is also negative so allay the fear or anxiety of HIV as the possibility of positive result is rare.

You need to go for repeat testing after one month to get more reliable and conclusive result. As your friend I will also advice you to stay away from such unsafe sexual practices in future for your safety.

Thank You

Above answer was peer-reviewed by : Dr. Nagamani Ng

Follow up: Dr. Sunil Jangid (2 hours later)

I will never put myself at this risk again. Thank you for your help.

Answered by Dr. Sunil Jangid (6 minutes later)

Brief Answer:
You are most welcome.

Detailed Answer:
Dear xxxxxxxxxxxxxxx,

Welcome to HCM once again.

You are most welcome any time if you need help in future also. Be relaxed, forget about the exposure and move on. Wishing you happy and healthy life.

Thank You

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Above answer was peer-reviewed by : Dr. Remy Koshy