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Epic Code LAB1231686 HIV 1/2 Antibody and Antigen, Diagnostic

Important Note

  • Ordering provider should manage consent.
  • Test cannot be ordered as an add-on.
  • HIV-1/HIV-2 antigen/antibody immunoassay (HIV-1/2 Ag/Ab) was performed using Roche Elecsys HIV Ag/Ab Assay.

Test Name Alias

HIV1-p24 | HIV 1/2 Ab Ag Diag | Fourth (4th) Generation | 7102 | 4128732 | HIV 1 / HIV 2 Antibody and Antigen, Diagnostic | LAB3616

Interface Order Alias

1231686

Clinical Information

Screening for infection with Human Immunodeficiency Virus

Panel Information

Panel will order correct testing:

HIV 1/2 ANTIBODY AND ANTIGEN, DIAGNOSTIC

Possible Reflex:

HIV 1/2 Confirmation

Specimen Type

Blood

Collection Instructions

pecimen Collection: Blood

 

Container(s): 5.0 mL Gold Top (Serum Separator-SST Gel)

Preferred Volume to Collect: 5.0 mL

Minimum Volume to Collect: 2.0 mL

Neonate (NICU) Volume to Collect: at least 1 full microtainer

Capillary collect ok? Yes

Microtainer acceptable: Yes

Note:  Recent enhancements to the HIV assay may require a greater volume if result is Reactive due to the automatic repeat of results in duplicate.

Collection Instructions:

  • Gold tube: Gently invert 8 - 10 times to mix clot activator with blood.
  • Specimen should be processed within 2 hours – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Processed Specimen: Serum
  • Centrifuge/Spin: Yes
  • Aliquot: Yes
  • Processing Instructions:
    • Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.

Transport Temperature: Refrigerate

Specimen Stability

Ambient: 8 hours

Refrigerate: 3 days (2 – 8º C)

Frozen: aliquot serum for longer storage (-20º C)

Laboratory Retention: 3 days

Reflex Information

If HIV-1/2 Antibody is Reactive, then HIV 1/ HIV2 Ab Confirmation (lab orderable only) will be automatically ordered by the LIS if there is not a previous Reactive Geenius.  HIV-1 RNA, Quantitative, PCR is strongly recommended to be ordered by physician and re-collect for further evaluation if the confirmatory testing is negative.

Corewell Health Laboratory Approved Reflex Guide

Test Frequency

Available 24 hours, usual turn-around time 1 day

Reference Range

Nonreactive

The performance of this assay has not been established for those under 2 years old.

Performing Department

Chemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Electrochemiluminescence Immunoassay 4th Generation

CPT

87389

CDM Code

3028738901

LOINC

HIV-1 Discrimination: 7917-8

HIV-2 Discrimination: 7919-4

Mayo Access Code

Currently unavailable

Reviewed Date

Currently Under Review

Last Updated Date

3/18/2024 - OEE changes

Orderable Regions

Corewell Health Reference Laboratory West
Corewell Health Reference Laboratory East
Corewell Health Laboratory South