Trofile


Sunquest Code:TROTRP  
Epic Code:LAB6664Epic Name:Trofile Co-Receptor Tropism
Synonyms:Tropism
Methodology:Recombinant virus, single replication
CPT Code:----------CPTCODES HERE----------
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 16-23 days.


Collection Instructions

Specimen:Blood
Optimal Volume:6.2 mL
Causes for Rejection:Thawed specimens.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 3 mL plasma within 6 hours of collection. Freeze immediately.
Shipping Instructions:Ship on dry ice. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:93370


Interpretive

Reference Range:By report.
Use:

For patients with HIV-1 viral loads ≥ 1000 copies/mL.

The US Department of Health and Human Services (DHHS) and the Infectious Diseases Society of America (IDSA) guidelines recommend that a coreceptor tropism test be performed whenever the use of a CCR5 inhibitor is being considered. Coreceptor tropism testing might also be considered for patients who exhibit virologic failure on a CCR5 inhibitor.

 



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