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HelpTest Code FFTRO Trofile DNA Co-Receptor Tropism Assay
Reporting Name
Trofile DNA Phenotypic Corecept TroUseful For
Detect HIV-1 coreceptor tropism; determine eligibility for CCR5 antagonist therapy such as Selzentry™ (maraviroc).
Performing Laboratory
Monogram Biosciences, IncSpecimen Type
Whole Blood EDTASpecimen Required
Specimen Type: Whole Blood
Container/Tube: Lavender-top (EDTA)
Specimen Volume: 4 mL
Collection Instructions: Draw 4 mL blood in a lavender-top (EDTA) tube(s), (Do not centrifuge.) Freeze and ship frozen.
To avoid delays in turnaround time when requesting multiple tests, please submit separate frozen specimens for each test requested.
Note: Trofile DNA is recommended for patients with undetectable viral loads.
Specimen Minimum Volume
3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Frozen | 14 days |
Day(s) Performed
Sunday through Saturday
CPT Code Information
87999
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FFTRO | Trofile DNA Phenotypic Corecept Tro | 53923-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z2283 | Tropotype Result | 53923-9 |
| Z2284 | Interpretation: | Not Provided |
Report Available
31 to 37 daysReject Due To
| Other | Insufficient volume; heparinized plasma; non frozen specimen |
Method Name
Polymerase chain reaction (PCR) amplification and viral culture.