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Recommendations when to order or not order the test. May include related or preferred tests.
Intended for use in patients with viral loads ≥1,000 copies/mL. 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
Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Lavender (K2EDTA) or plasma preparation tube (PPT).
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Separate from cells within 6 hours of collection. Transfer 3 mL plasma to an ARUP standard transport tube and freeze immediately. (Min: 3 mL) Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
CRITICAL FROZEN.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Thawed specimens.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
27-38 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
Compliance Category
Performed by non-ARUP Laboratory
Note
Additional information related to the test.
Procedure should be used for patients with documented HIV-1 infection and viral loads greater than 1000 copies/mL.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* 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
Other names that describe the test. Synonyms.
CXCR4
CCR5
Chemokine Coreceptor Tropism Trofile
Human Immunodeficiency Virus Type 1 (HIV-1) Trofile Co-Receptor Tropism
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