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|Performed by||Monogram Biosciences|
|Collection Instructions||Note: If both genotyping and phenotyping are requested for B&T patients, TWO separate tubes should be drawn.|
|Container type||Lavender top|
|Amount to Collect||6 mL blood|
|Sample type||EDTA plasma|
|Preferred volume||3 mL plasma|
|Min. Volume||3 mL plasma|
|Processing notes||Centrifuge sample @ 100-1200g x 10-15 min. and separate plasma within 6 hours of sample collection. Transfer plasma to capped plastic tube and freeze at -20C. Do not thaw sample after freezing. Ship frozen with dry ice.
Note: If both genotyping and phenotyping are requested for B&T patients, aliquot the two tubes separately and freeze at -20C.
|Normal range||See Additional Information|
|Additional information||HIV susceptibility testing (genotyping or phenotyping) should be reserved for patients who are: 1. Failing treatment requiring a change in regimen (prior to change in regimen) 2. Pregnant or 3. Have acute/recent HIV infection (w/in 3-6 months) in areas with high levels of transmission of resistance viruses (usually to AZT/3TC). Phenotyping requires a viral load > 500 copies/mL.
Reference: Hirsch MS et al. JAMA 2000, 283(10): 2442-4
|Last Updated||11/13/2009 4:44:56 PM|
If you have additional questions regarding this test, please call: 415-353-1667