ARUP's Laboratory Test Directory

Trofile Co-Receptor Tropism Assay : 0093370

Mnemonic: TROFILE

Methodology: Recombinant virus, single replication
Performed: Varies
Reported: 16-23 days
Specimen Required: Collect: Lavender (EDTA) or plasma preparation tube.

Specimen Preparation: Separate PPT plasma from cells within 2 hours of collection. Separate EDTA plasma from cells within 6 hours of collection. Transfer 3 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 3 mL)

Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Remarks: Indicate viral load and viral load collection date on the test request form. If viral load is less than 1,000 copies, testing MAY NOT be performed.

Unacceptable Conditions: Thawed specimens.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen at -20°C: 2 weeks; Frozen at -70°C: Indefinitely
CPT Code(s): 87999
Cross References: CCR5, CXCR4, CR5 (Trofile Co-Receptor Tropism Assay), Chemokine co-receptor (Trofile Co-Receptor Tropism Assay), HIV-1 Coreceptor Tropism with Reflex to Ultra deep Sequencing (Trofile Co-Receptor Tropism Assay), Selzentry, Maraviroc (Trofile Co-Receptor Tropism Assay), Trofile (Trofile Co-Receptor Tropism Assay), Tropotype (Trofile Co-Receptor Tropism Assay)
 
 

 

 

 
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