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Test Code LAB91007 HIV Rapid Ag/Ab

Important Note

This test is used for "exposure" cases and L&D patients when no previous testing has been done.

Infectious

Reporting Title

HIV Rapid Ag/Ab

Methodology

Alere Determine

If result is preliminary posiitive, an HIV-1 and HIV-2 Antibody Confirmation  Differentiation run at RMH will reflex and if positive, a HIV Viral Load test will be reflexed.

Performing Laboratory

Tests performed at : RMH, GMC, DN, DMH, MGH, GMH, HMH, GCMH, WECC, PMC, and BH Core Laboratories

Specimen Requirements

 

EDTA whole blood:  2 days room temp; 6 days at 2-8°C

EDTA plasma:  2 days room temp; 7 days at 2-8°C

Gold or Red Top: serum 2 days room temp; 7 days at 2-8°C

 

Note: If testing is not completed within 7 days, serum and plasma may be frozen at -20°C. Never freeze whole blood sample 

 

 

  1. Reflex Testing if HIV Rapid is preliminary positive

Result

Reflex

Specimen type

Preliminary Positive HIV 1/2 Ab

Preliminary Positive HIV-1/2 Ab tests will reflex a HIV-1/HIV-2 Differentiation test. LAB91008

EDTA plasma or serum from a gold or red top tube

 

 

Labels will be automatically generated.

Preliminary Positive HIV p24 Ag

 

Preliminary Positive HIV p24 Ag will reflex HIV PCR testing. LAB878

EDTA plasma

 

Labels will be automatically generated.

 

Reference Values

Non-Reactive

Day(s) Test Set Up

Monday through Sunday: Continuously