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HIV Antibodies, HIV-1/2, EIA with Reflex to HIV-1, Western Blot
- Ordering Info
If the HIV Antibody Screen (HIV-1/2) is "Repeatedly Reactive", HIV Antibody, HIV-1, Western Blot will be performed at an additional charge (CPT code(s): 86689).
|HIV-1/2 Ab Screen, EIA||Non-Reactive|
The combination HIV-1/HIV-2 includes detection of subtypes of HIV-1 not included in HIV-1, EIA alone. HIV-2 is closely related to HIV-1 regarding nucleic acid sequence and clinical disease. HIV-2 is endemic to West Africa with nearly all cases in the United States identified in citizens or travelers from West Africa. Rarely, HIV-1 Western blot indeterminate results may be due to HIV-2 infection in a patient who has been exposed to HIV-2. The Western blot is useful to confirm repeatedly reactive EIA results.
Human Immunodeficiency Virus
To view specimen requirements and codes please Select a regional laboratory.
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Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
(The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.)
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.