Trofile Co-receptor Tropism Assay
Test Mnemonic
TROFLE
CPT Codes
- 87999 - QTY (1)
Includes
- EER Trofile (DNA) Co-Receptor Tropism
- Trofile DNA Co-Receptor Tropism
- Trofile DNA, Tropotype
- Trofile DNA, Interpretation
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 4 mL | Whole blood | EDTA (Lavender) | Frozen, Critical | CRITICAL FROZEN. Transfer 4mL whole blood to standard aliquot tube and freeze immediately. Separate specimens must be submitted when multiple tests are ordered. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 4 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | 14 days |
| Refrigerated | Unacceptable |
| Ambient | Unacceptable |
Days Performed
Varies
Turnaround Time
4 - 5 weeks
Methodology
| Name | Description |
|---|---|
| Polymerase Chain Reaction (PCR)/Culture |
Reference Range
Special Info
Separate specimens must be submitted when multiple tests are ordered. Thawed specimens will be rejected. This test is New York DOH approved.
Clinical Info
This test is useful in patients with an undetectable viral load. HIV-1 phenotyping test to determine the tropism (ie, CCR5 or CXCR4) of the virus in patients being considered for CCR5 antagonist therapy.