What is HIV detection with reflex confirmation?

This test is used to screen and confirm HIV-1/HIV-2 infection (including acute infection) and to differentiate HIV-1 from HIV-2 infection.

How accurate is Alere HIV test?

Reference testing yielded 97 positives for HIV infection and 36 negative samples. Sensitivity of the Alere test was 95% (88–98%), while the SD Bioline sensitivity was 91% (83–96%). Both assays showed 100% (90–100%) specificity. No indeterminate or invalid results were recorded.

What is a HIV Ag AB with reflex?

HIV-1/2 Antigen and Antibodies, Fourth Generation, with Reflexes – This test is used to help diagnose HIV-1 and HIV-2 infection, including acute infection, and to differentiate HIV-1 from HIV-2. It is consistent with the HIV diagnostic algorithm proposed by the Centers for Disease Control and Prevention [2].

How does the reflexed HIV Combo antigen / antibody test work?

The reflexed HIV-1/ HIV-2 Antibody Differentiation test discriminates between HIV-1 and HIV-2 antibodies. Results for each type are reported. If the HIV-1,2 Combo Antigen/Antibody screen is repeatedly reactive, then the HIV-1/ HIV-2 Antibody Differentiation test will be performed. Additional charges apply.

How are confirmation tests used to diagnose HIV?

HIV Screening and Confirmation Tests 1 Screening Tests. The conventional serum test for diagnosing HIV infection is the repeatedly reactive immunoassay followed by confirmatory Western blot or immunofluorescent assay. 2 Rapid HIV testing. 3 The old vs. 4 1) Screening. 5 2) Confirmation

Can a fourth generation HIV test detect both antigens and antibodies?

HIV antigen/antibody fourth-generation-based screening tests can simultaneously detect both HIV-1 antigen (ie, viral protein) and HIV-1/2 antibodies, whereas HIV-1/2 antibody third-generation-based screening tests detect only antibodies. Third-generation test results are considered repeatedly reactive only after a person has developed detectable…

What is the reflex table for HIV screen?

Reflex Table for HIV Screen 4th Generation wRfx; Order Code Order Name Result Code Result Name UofM Result LOINC; Reflex 1: 083940: HIV 1/2 Ab Differentiation: 083954: Interpretation: 80203-3: Reflex 2: 083950: RNA Qualitative: 083951: HIV 1 RNA Qualitative: 25835-0