| Test Name: |
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HIV-2 Antibody Screen
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| Test Code(s): |
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HIV2 / HCHIV2
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| CPT Code(s): |
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86702
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| Methodology: |
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Enzyme Immunoassay
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| Clinical Significance: |
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Antibody status to HIV-2. This test is part of the confirmatory testing performed on reactive specimens for HIV-1/2 Ab.
Screening of a patient with epidemiologic risk factors for HIV-2. Such factors include:
- persons from countries in which HIV-2 is endemic
- sexual partners of such persons
- persons who have received a blood transfusion or
nonsterile injection in an HIV-2 endemic country
- persons who have shared needles with a person
known to be HIV-2 infected
- children of women who have risk factors for HIV-2
infection or who are known to be infected with HIV-2
- patients with an illness suggestive of HIV infection
in which HIV-1 testing is negative or inconclusive.
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| Testing Site: |
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Testing will be sent to an approved reference laboratory.
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| Consent: |
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HIV Consent UWH# 1280793
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| Days Performed: |
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Mon, Wed.
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| Turnaround Time: |
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Routine: 3 - 15 days.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Red top
Also Acceptable:
Green top,
Green top and red cap with yellow ring (SST)
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| Collection Volume: |
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Preferred: 4 mL
Pediatrics: 1 mL
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| Sample Analyzed: |
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Serum or plasma
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| Volume Required: |
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Preferred: 1 mL
Pediatrics: 0.25 mL
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| Specimen Processing: |
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Centrifuge. Transfer cell free serum/plasma to plastic vial. Refrigerate.
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| Specimen Transport: |
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Transport refrigerated specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.
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| Stability: |
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Refrigerated: 7 days
Frozen: Indefinite
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Interpretation
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Expected Results:
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Non-reactive
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| Test Limitations: |
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Does not determine presence of HIV virus. Test may be nonreactive for several weeks following exposure, or in final stages of AIDS.
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| Additional Information: |
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HIV-2 Western Blot performed if EIA is repeatedly reactive.
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