HIV-1/2 Antigen and Antibodies, Fourth Generation

Includes

• If HIV Antigen and Antibody, 4th Generation Screen is Repeatedly Reactive, then HIV-1/2 Antibody Differentiation will be performed at an additional charge.

Methodology

Immunoassay (IA)

Reference Range(s)

HIV Ag/Ab, 4th Generation - Non-Reactive

Alternative Name(s)

Fourth Generation HIV,4th Generation HIV

Preferred Specimen(s)

3 mL serum

Alternative Specimen(s)

Serum collected in: Red-top tube (no gel) • Plasma collected in: EDTA (lavender-top) tube

Minimum Volume

2 mL

Collection Instructions

Serum: Submit a serum separator tube (SST) or red-top tube (no gel). The tube should be centrifuged after clotting and remain unopened.

Plasma: Collect in an EDTA (lavender-top) tube and centrifuge tube within 24 hours of collection. Transfer plasma to a plastic screw-cap vial, label as plasma, and submit for testing.

** Submitted tubes must be labeled with subject identifier and submitted only for HIV testing.

Transport Container

Serum separator tube (SST)

Transport Temperature

Room temperature

Specimen Stability

• Room temperature: 72 hours

• Refrigerated: 5 days

• Frozen: 30 days

Note: Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.