A member asked:

How reliable is a negative result from an abbott architect ag/ab combo hiv test (4th generation) taken at the 28th day after possible exposure?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

100%: A negative combo test is 100% conclusive any time 4 weeks or more after the last possible exposure. This result proves you didn't catch HIV and no additional testing is needed.

Answered 7/15/2022

2.9k views

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