Polymerase Chain Reaction (PCR)
Review the level of susceptibility or resistance that a person has to each antiretroviral drug in order to design an individualized treatment plan. PhenoSense GT® also includes a measure of replication capacity (RC), sometimes called viral fitness, and HIV-1 subtype.
Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Results of viral load must be greater than or equal to 500 copies/mL.
Days Test Performed
Monday - Friday
16 - 21 days
Soft Order Code
Human Immunodeficiency Virus Type 1 Phenotype
PhenoSense HIV Drug Resistance Assay
HIV-1 PhenoSense GT
Mayo FPGT (91757) (Monogram)
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All specimens should be accompanied by a requisition.
Learn about how to properly label and where to ship specimens.
MLabs provides all the supplies necessary for the collection of specimens.
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Offsite Collection Instructions
Collect specimens in sufficient lavender top tubes. Centrifuge within 2 hours of collection at 1000-1200 x g at room temperature for 10-15 minutes. Do not allow samples to remain in centrifuge after centrifugation. Remove plasma from cells immediately and transfer to a plastic screw cap tube. Freeze immediately.
Specimen must be spun, aliquoted and frozen with 2 hours of collection.
3 mL EDTA plasma
1.5 mL EDTA plasma
Test sent to Mayo Medical Laboratories; performed by Monogram Biosciences.