Yale New Haven Hospital

Department of Laboratory Medicine
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HIV-1 Trofile co-receptor tropism (Lab Approval Required)

Lab Section: 



Lab Location: 

Main Lab

Test ID: 




Recombinant virus, single replication


Sent to ARUP/ Monogram


2-4 weeks

Specimen Requirements: 

Collection: 6.0 mL Blood in a Lavender Top Tube.
Pediatric volume: 6.0 mL
For patients with documented HIV-1 infection and viral load greater than 1,000 copies/mL
Transport: Ship frozen on dry ice.
Handling: Separate plasma from cells within 6 hours of collection. Transfer 3 mL plasma to tube and freeze immediately.
Unacceptable conditions: Thawed specimens



Clinical Indications: Determines CCR5 or CXCR4 tropism of HIV-1 virus in patients considered for CCR5 therapy.

Provide patient's most recent viral load and collection date.

Reference Interval: 

By report

CPT Code(s): 


Last Changed: 

01/05/2017 13:59:56

Last Reviewed: 

9/1/2017 4:34:44 PM