4th Generation HIV Testing Algorithm


 

What is the 4th Gen Test?

The 4th Generation HIV is the preferred testing method, recommended by the CDC. 4th Generation tests, also known as Ag/Ab tests, test for both  antigen (p24) and antibodies (IgM and IgG) and are capable of detecting an HIV infection 20 days earlier than the Western Blot test. A downloadable, print-quality brochure can be downloaded here: AETC 4th Gen Brochure (PDF)

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Laboratory Testing for the Diagnosis of HIV Infection

Both the full CDC guide for diagnostic HIV laboratory testing and Quick Reference guide can be downloaded below:

Laboratory Testing for the Diagnosis of HIV Infection (PDF)

Quick Reference Guide (PDF)