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.

Mnemonic

TROFI DNA

Methodology

Polymerase Chain Reaction (PCR)/Culture

Performed

Varies

Reported

29-36 days

New York DOH Approval Status

This test is New York DOH 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

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