Test Details
Methodology
Polymerase chain reaction (PCR) amplification and viral culture. PhenoSense Entry® is a trademark of Monogram Biosciences®.
Result Turnaround Time
16 - 26 days
Use
Determines phenotypic susceptibility to enfuvirtide (Fuzeon®) and assesses likely effectiveness before enfuvirtide is added to a patient's regimen or before changing a regimen that includes enfuvirtide
Specimen Requirements
Limitations
This procedure should be used for patients with documented HIV-1 infection and viral loads ≥1000 copies/mL.
Specimen
Plasma, frozen
Volume
3 mL
Container
Lavender-top (EDTA) or plasma preparation tube (PPT™).
Storage Instructions
Freeze
Causes for Rejection
PPT™ not centrifuged; insufficient volume; heparinized plasma; nonfrozen specimens
Collection Instructions
Collect specimen in two lavender-top (EDTA) tubes or two PPT™ tubes. Do not use green-top (heparin) tubes. Centrifuge specimen within six hours of collection. Transfer plasma to one or more polypropylene screw-capped tube(s) and freeze. Ship specimen frozen. To avoid delays in turnaround time, when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 550240 | PhenoSense Entry (R) | 550247 | PhenoSense Entry(R) PDF | 51969-4 | ||
| 550240 | PhenoSense Entry (R) | 550248 | PhenoSense Entry(R) | 82719-6 | ||
| 550240 | PhenoSense Entry (R) | 550249 | PhenoSense Entry(R) Interp. | 77202-0 | ||
| Order Code | 550240 | |||||
| Order Code Name | PhenoSense Entry (R) | |||||
| Order Loinc | ||||||
| Result Code | 550247 | |||||
| Result Code Name | PhenoSense Entry(R) PDF | |||||
| UofM | ||||||
| Result LOINC | 51969-4 | |||||
| Order Code | 550240 | |||||
| Order Code Name | PhenoSense Entry (R) | |||||
| Order Loinc | ||||||
| Result Code | 550248 | |||||
| Result Code Name | PhenoSense Entry(R) | |||||
| UofM | ||||||
| Result LOINC | 82719-6 | |||||
| Order Code | 550240 | |||||
| Order Code Name | PhenoSense Entry (R) | |||||
| Order Loinc | ||||||
| Result Code | 550249 | |||||
| Result Code Name | PhenoSense Entry(R) Interp. | |||||
| UofM | ||||||
| Result LOINC | 77202-0 |