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Human Immunodeficiency Virus HIV-1 antigen and HIV-1/HIV-2 antibodies | | Updated | 9/14/2012 | | Other Names |
HIV Antibodies, HIV screen, HIV Antigen/Antibody Combo test | | How to Order |
CTS submitters check the “Screen” box under the “Non-Rapid Tests Requested” heading on the CTS HIV Test Request pink form 44 | | Availability | | | Methodology | | | Performed | | |
Time to Reporting
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1 to 3 working days after receipt of specimen | |
CPT Code
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Specimen Collection Details
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Collection
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One 7 ml red top tube or serum separator tube (SST). Tubes with the additives: EDTA and sodium heparin are also acceptable. Please follow collection instructions to avoid improper dilution of samples when using tubes with additives. | |
Optimal Volume
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Blood: 5-7 mL;
Serum 1-2 mL | |
Minimum Volume
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Blood: 1-2 mL
Serum: 0.5 mL
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Handling
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Blood: After blood clots, keep specimen refrigerated until transport. Samples that will be tested within 3 days of collection can be stored on the clot. If possible remove the serum from the clot as soon as possible. DO NOT FREEZE. Sample must be tested within 7 days of collection. | |
Transport
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Blood: Refrigerated within 5 days
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Rejection Criteria
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Serum specimens more than 7 days old if not frozen. Specimens collected with additives other than those listed above. | |
Comments
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The test used will detect HIV-1 p24 antigen, HIV-1 & HIV-2 antibodies. Specimens positive by Enzyme Immunoassay will automatically be reflexed to an HIV differentiation test. |
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