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Test Code HIVSS HIV-1 and HIV-2 Antigen and Antibody Routine Screen, Serum


Ordering Guidance


If the specimen is obtained from either autopsy or cadaver blood sources, order HV1CD / HIV-1 and HIV-2 Antibodies for Cadaveric or Hemolyzed Specimens, Serum which is the US Food and Drug Administration-approved assay for these specimen types.

 

This test should not be used to test symptomatic individuals (ie, diagnostic purposes). For testing such patients, order HIVDS / HIV-1 and HIV-2 Antigen and Antibody Diagnostic Evaluation, Serum.

 

This test should not be used to test pregnant individuals. For testing such patients, order HVPRS / HIV Antigen and Antibody Prenatal Routine Screen, Serum.

 

Screening, supplemental or confirmatory serologic tests for HIV-1 or HIV-2 antibodies cannot distinguish between active neonatal HIV infection and passive transfer of maternal HIV antibodies in children up to 2 years. Diagnosis of HIV infection in newborns and children up to 2 years should be made by virologic tests, such as detection of HIV RNA (HIS12 / HIV-1/HIV-2 RNA Detection, Serum).

 

New York State clients: This test should not be requested for maternal/newborn HIV screening on specimens originating in New York State, due to state regulatory requirements for expedited result reporting.



Specimen Required


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1.5 mL

Collection Instructions:

1. Centrifuge blood collection tube per manufacturer's instructions (eg, centrifuge and aliquot within 2 hours of collection for BD Vacutainer tubes).

2. Aliquot serum into a plastic vial.


Forms

If not ordering electronically, complete, print, and send an Infectious Disease Serology Test Request (T916) with the specimen.

Secondary ID

617826

Useful For

Screening for HIV-1 and HIV-2 infection in nonsymptomatic, nonpregnant individuals older than 2 years

 

This test should not be used as a screening or confirmatory test for blood donor specimens.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
HIVDI HIV Ab Confirm / Differentiation, S Yes No
HIS12 HIV-1/HIV-2 RNA Detect, S Yes No

Testing Algorithm

This test begins with HIV-1/-2 antigen and antibody (Ab) screen by electrochemiluminescence immunoassay. If the screen result is reactive, then HIV-1/-2 antibody confirmation/differentiation test by immunochromatographic method is performed at an additional charge.

 

If the following result types are obtained from the HIV-1/-2 confirmation/differentiation test, HIV-1/HIV-2 RNA detection will be performed at an additional charge:

-Negative for both HIV-1 Ab and HIV-2 Ab

-Indeterminate for HIV-1 Ab but negative for HIV-2 Ab

-Negative for HIV-1 Ab but indeterminate for HIV-2 Ab

-Indeterminate for both HIV-1 Ab and HIV-2 Ab

-Positive for both HIV-1 Ab and HIV-2 Ab

 

For more information, see HIV Testing Algorithm (Fourth-Generation Screening Assay), Including Follow-up of Reactive Rapid Serologic Test Results.

Method Name

Electrochemiluminescence Immunoassay (ECLIA)

Reporting Name

HIV-1/-2 Ag and Ab Screen, S

Specimen Type

Serum SST

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum SST Frozen (preferred) 30 days
  Refrigerated  6 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Heat-inactivated specimen Reject

Reference Values

Negative

Day(s) Performed

Monday through Saturday

Report Available

1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

87389

G0475 (if appropriate)

86701 (if appropriate)

86702 (if appropriate)

87535 (if appropriate)

87538 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HIVSS HIV-1/-2 Ag and Ab Screen, S 56888-1

 

Result ID Test Result Name Result LOINC Value
HIVS3 HIV-1/-2 Ag and Ab Screen, S 56888-1