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HIV Antibody and Antigen Combination Test

Item Value
Approval req'd? No
Available Stat? No
Test code HIVAA
Test group HIV
Performed by Immunology
In House Availability Monday - Friday (day shift only)

Note: Confirmatory Western Blot performed every other Wednesday with results available the following Friday.
Method Chemiluminescent Immunoassay
Collection Instructions For tests not ordered directly via APEX, the ordering provider should document patient consent in the medical record
Container type Red top
Amount to Collect 1 mL blood
Sample type Serum
Preferred volume 0.5 mL serum
UCSF Rejection Criteria Grossly hemolyzed samples
Processing notes Refrigerate samples.
Normal range Negative
Synonyms Human Immunodeficiency virus: HIV-1, HIV-2 Antibody & HIV-1 p24 Antigen
Stability Room temperature 3 days
Reflex? HIV-1 Western Blot Confirmatory testing will automatically be performed on all positive samples at an additional charge.
Additional information This test detects antibodies to HIV-1 and HIV-2 along with the p24 antigen. Confirmatory testing via Western blot will be performed on positive tests. The Western blot will often be negative in the setting of early HIV infection (prior to development of a significant antibody response). An HIV-1 viral load (test code HIVRT) can be performed in this setting as a supplemental test.

If a request for HIV Antibody is received without a signature attesting that the patient consented to testing a note will accompany the result reminding the ordering provider to document consent in the patient record.
CPT coding 87389
Last Updated 10/15/2014 1:03:20 PM
Entry Number 1554
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