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HIV-1 Genotyping, DNA Sequencing : 34949
Test CodeHIV1G or 34949
Alias/See Also
Human Immunodeficiency Virus 1, Genotyping; HIV Genotype
CPT Codes
87901, 87900
Instructions
Lavender (EDTA).
Transport Container
Separate plasma from cells within 24 hours. Transfer 2 mL plasma to a standard transport tube. (Min: 0.6 mL)
Transport Temperature
Frozen.
Specimen Stability
After separation from Cells: Ambient: 24; Refrigerated: 6 days; Frozen: 42 days
Note: Plasma must be removed from cells within 24 hours of collection.
Note: Plasma must be removed from cells within 24 hours of collection.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Heparinized specimens. Frozen whole blood. Serum.
Methodology
DNA Sequencing, Reverse Transcriptase Polymerase Chain Reaction (RT-PCR)
Setup Schedule
Sunday - Saturday
Report Available
4-9 days (From receipt at performing laboratory)
Limitations
An infection is often composed of a variety of strains of the virus. The test may identify only the predominant type of virus thus leaving the minority viruses to thrive once the predominant type is treated. Lack of resistance may not confer susceptibilities.
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Reference Range
By report.
Clinical Significance
This test is intended for use in conjunction with clinical presentation and other laboratory markers of disease progress for the clinical management of HIV-1 infected patients. The test identifies drug resistance-associated mutations in the HIV-1 protease and reverse transcriptase genes. It can be used to predict antiretroviral drug resistance before initiation of therapy and in patients experiencing virologic failure while on therapy.
Performing Laboratory
Quest Diagnostics