Ordering Recommendation

HIV-1 combined pheno- and genotyping provides antiretroviral susceptibility information for protease inhibitors (PI) and reverse transcriptase inhibitors (NRTI, NNRTI). Useful in clarifying and confirming results from HIV genotyping tests. Intended for patients with viral load >500 copies/mL.

Mnemonic
HIVPHENOGT
Methodology

Phenotyping/Genotyping

Performed

Varies

Reported

15-22 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Lavender (EDTA) or Plasma Preparation Tube (PPT).

Specimen Preparation

Separate from cells within 6 hours of collection. Transfer 3 mL plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 1 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

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

Stability

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

Reference Interval

By report

Interpretive Data



No compliance statements are in use for this test.

Note

Procedure should be used for patients with documented HIV-1 infection and viral loads greater than 500 copies/mL.

Hotline History
N/A
CPT Codes

87900; 87901; 87903; 87904 x11

Components
Component Test Code* Component Chart Name LOINC
0092073 Viral Load 8251-1
0092074 Viral Load Date 19151-0
2003232 EER HIV PhenoSense GT 11526-1
* 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
  • HIV Resistance
HIV PhenoSense GT

Monogram Biosciences