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A member asked:
If i did the hiv 1/2 ab p24 at day 25 and then hiv 1/2 rna at 45 days and both came back negative. is that good enough do i need to test again?
2 doctors weighed in across 2 answers
Based on the current guidelines, it is recommended to retest for HIV at 90 days post-exposure for conclusive results. While the HIV 1/2 AB P24 test can detect antibodies and p24 antigen as early as 4 weeks after exposure, it is not considered conclusive until 90 days have passed.
Answered 5/15/2023
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Those results are conclusive. CDC now advised 45 days for the AgAb (4th generation) blood tests. You're home free.
Answered 5/15/2023
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Had an HIV 1 and 2 RNA qualitative test at 42 days, also had a HIV 4th gen ag/ab test at 45 days both came back negative. Is this combination conclusive at these times?
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