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Is HIV 4th Generation Combo Test Done 28 Days Post Exposure Conclusive?

Posted on Wed, 6 Sep 2017

Question: Hello,

I did a 4th gen combo HIV test 28 ( ECLIA) days after exposure and become negative.
Is this result conlcusive?

Thanks

Answered by Dr. Dr. Monika Dede (3 hours later)

Brief Answer:
This test is very accurate after 28 days.

Detailed Answer:
Hello,
Thank you writing in healthcare magic.

You should know that 4 th generation Combo HIV test is very accurate after 28 days but not conclusive.
According the guidelines you should do a 4 th generation HIV test after 3 months as a conclusive test.

I hope my answer helps you.
Regards.

Above answer was peer-reviewed by : Dr. Raju A.T

Follow up: Dr. Dr. Monika Dede (2 hours later)

Thanks for your answer;
What means very accurate? 95%? 99%?

Thanks

Answered by Dr. Dr. Monika Dede (2 hours later)

Brief Answer:
A 4th generation HIV test will detect 95% of infection.

Detailed Answer:
Hello,
Thank you writing back.

You should know that a 4th generation HIV test will detect 95% of infections at 28 days after exposure. It will detect more than 99.99% of infections at three months.

I hope my answer helps you.
Regards.

Above answer was peer-reviewed by : Dr. Kampana