Ordering Recommendation

Intended for use 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.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Lavender (K2 or K3 EDTA).

Specimen Preparation

Transfer 4 mL whole blood to an ARUP Standard Transport Tube and freeze immediately. (Min: 4 mL)

Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

CRITICAL FROZEN.

Unacceptable Conditions

Thawed specimens.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 2 weeks

Methodology

Polymerase Chain Reaction/Culture

Performed

Varies

Reported

29-36 days

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note

Recommended for patients with undetectable viral loads.

Hotline History

N/A

CPT Codes

87999

Components

Component Test Code* Component Chart Name LOINC
3002571 EER Trofile (DNA) Co-Receptor Tropism 51969-4
3002572 Trofile DNA Co-Receptor Tropism 50790-5
3002573 Trofile DNA, Tropotype 80690-1
3002574 Trofile DNA, Interpretation 62364-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

Trofile (DNA) Co-Receptor Tropism

Monogram Biosciences