Test Overview
Test Methodology

Immunoassay

Test Usage

Confirmation of specimens reactive by HIV 1/2 Antibody EIA assay.

This is NOT the first line screening test for HIV infections.

Reference Range *

Negative

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

Not useful for screening for HIV-1/HIV-2 infection. Not useful for distinguishing active infection vs. passive transfer of maternal antibody in the postnatal period.

Test Details
Days Set Up
Monday - Saturday
Analytic Time

2 - 9 days

Soft Order Code
HV12C
MiChart Code
HIV-1 and HIV-2 Antibody Differentiation, Serum
Synonyms
  • HIVDI
  • Human Immunodeficiency Virus Antibody Confirmation
  • Human Immunodeficiency Virus Antibody Confirmation
  • Human Immunodeficiency Virus Antibody Confirmation
  • Human Immunodeficiency Virus Antibody Confirmation
  • HIV2
  • HIV2F
  • HIV Ab Type 2 (Anti-HIV2), S
  • HIV Type 1 Ab, Immunofluoresce
  • WESTERN BLOT - HIV
  • HIV 2 Antibody, IBL
  • HIV-1 AB, WESTERN BLOT ASSAY
  • COREP18
  • COREP24
  • COREP55
  • ENVELOP120
  • ENVELOP160
  • ENVELOPE41
  • IMPREWESBL
  • REVTRNSP51
  • REVTRNSP65
  • HIV2 IBL
  • HIV-1 WB
  • WESTBLOT 1
  • HIVFA
  • CORE: p18
  • CORE: p24
  • CORE: p55
  • ENVELOPE: gp120
  • ENVELOPE: gp160
  • ENVELOPE: gp41
  • IMPRESSION:
  • REV TRNS'ASE: p51
  • REV TRNS'ASE: p65
  • HIV 2 Ab, Immunoblot
  • HIV-1 WESTERN BLOT
  • WESTERN BLOT BANDS
  • HIV-2 Ab Screen
  • WBA
  • HIVWB
  • HV1WB
  • HIV2L
  • HIV-2 Ab Confirmation, Serum
  • HIV-1/2 Antigen and Antibodies, Fourth Generation, with Reflexes
  • HIV-1 and HIV-2 Differentiation
Laboratory
Sendout
Reference Laboratory
Quest Valencia 91431
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect blood in an SST or red top tube. Centrifuge, aliquot serum into a plastic vial, and freeze. Specimen may be stored refrigerated up to 5 days. This test will be performed on all positive, repeatable specimens sent for HIV-1/HIV-2 Antibody by EIA.

Yellow Top Tube
Normal Volume
5 mL serum
Minimum Volume
3 mL serum
Additional Information

Test includes HIV-1 and HIV-2 antigen and antibodies and HIV-1/2 Antibody Differentiation. If HIV-1/2 Antibody Differentiation is Indeterminate or Negative, HIV-1 RNA, Qualitative, TMA will be performed at an additional charge (HIVTM). By ordering this test the clinician acknowledges that additional reflex testing will be performed and billed at a separate additional charge if indicated. Test sent to Quest Diagnostics Nichols Institute of Valencia.

Billing
CPT Code
87389, 86701, 86702
Fee Code
AA438, AA439, AA440
Reflex CPT
87535
Reflex Fee Code
AA441
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