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Test ID: WBAR    
HIV-1/-2 Antibody Confirmatory Evaluation, Serum

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

Confirmatory detection of HIV-1 and/or HIV-2 antibodies in patients with reactive antibody screen or rapid HIV antibody results

Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)

Test IDReporting NameAvailable SeparatelyAlways Performed
HIVFAHIV-1 Ab Confirm by IFA, SYesNo
HIV2HIV-2 Ab Eval, SYesNo
HIV2LHIV-2 Ab Confirmation, SYesNo

Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.

This HIV-1/-2 antibody confirmatory evaluation begins with HIV-1 antibody by Western blot (WB) assay.

If WB is negative, then HIV-2 antibody evaluation is performed at an additional charge.

If WB is indeterminate or unreadable, then both HIV-1 antibody confirmation by immunofluorescence and HIV-2 antibody evaluation are performed at an additional charge.

If HIV-2 antibody evaluation is reactive, then HIV-2 antibody confirmation will be added at an additional charge.


The following algorithms are available in Special Instructions:

-HIV Testing Algorithm (excludes HIV rapid testing)

-HIV Rapid Serologic Testing Follow-up Algorithm

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

Western Blot

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

HIV-1/-2 Ab Confirm Eval, S

Aliases Lists additional common names for a test, as an aid in searching

Acquired Immune Deficiency Syndrome (AIDS)
AIDS (Acquired Immune Deficiency Syndrome)
HIV (Human Immunodeficiency Virus)
Human Immunodeficiency Virus (HIV)
Western Blot Assay