Skip to main content

Human Immunodeficiency Virus 1 (HIV-1), Quantitative, Real-time PCR (Graphical) With Reflex to PhenoSense GT®

CPT 87536. If reflex testing is performed, concomitant CPT codes/charges will apply.
Synonyms
  • HIV-1 Plasma Viremia
  • HIV-1 RNA by Real-time (RT) PCR, Quantitative
  • Reflex to PhenoSense GT®
  • Viral Load

Test Details

Methodology

Cobas® AmpliPrep/Cobas® TaqMan® HIV-1 Test, Version 2.0

Result Turnaround Time

17 - 25 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Related Documents

For more information, please view the literature below.

HIV Specimen Collection Guide

HIV-1 Lifecycle, Drugs, and Susceptibility Assays

Use

Detect and quantitate HIV-1 in plasma with reflex to PhenoSense GT® (at an additional charge) if viral load is >500 copies/mL.

Limitations

Assay range: 20−10,000,000 copies/mL

Specimen Requirements

Specimen

Plasma, frozen

Volume

6 mL

Minimum Volume

4 mL (Note: This volume does not allow for repeat testing.)

Container

Ship in two or more screw-cap polypropylene frozen transport tubes.

Collection Instructions

Collect specimen in three lavender-top (EDTA) tubes or three PPT™ tubes. Do not use green-top (heparin) tubes. Centrifuge specimen within six hours of collection. Remove plasma, transfer plasma to screw-cap polypropylene transport tubes (not "pop-top" or "snap-cap"), and freeze. Ship frozen (preferred). Do not ship frozen in PPT™. If PPT™ is used to collect plasma, specimen must be transferred to screw-cap tubes prior to freezing to avoid false elevation of low viral load samples. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Storage Instructions

Freeze. Separate frozen sample required for PhenoSense GT® portion of the test. Frozen sample is preferred for the viral load assay but is also stable at room temperature for one day or refrigerated for five days. Freeze for long-term storage.

Causes for Rejection

Hemolysis; green-top (heparin) tube; specimen received in "pop-top" or "snap-cap" tube; quantity not sufficient for analysis; frozen PPT™

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
550510 RNA, PCR (Graph) rfx/PSGT 550445 HIV-1 RNA by PCR copies/mL 20447-9
550510 RNA, PCR (Graph) rfx/PSGT 550446 log10 HIV-1 RNA log10copy/mL 29541-0
550510 RNA, PCR (Graph) rfx/PSGT 550451 PhenoSense GT(R) N/A
550510 RNA, PCR (Graph) rfx/PSGT 511958 PDF 80563-0
Order Code550510
Order Code NameRNA, PCR (Graph) rfx/PSGT
Order Loinc
Result Code550445
Result Code NameHIV-1 RNA by PCR
UofMcopies/mL
Result LOINC20447-9
Order Code550510
Order Code NameRNA, PCR (Graph) rfx/PSGT
Order Loinc
Result Code550446
Result Code Namelog10 HIV-1 RNA
UofMlog10copy/mL
Result LOINC29541-0
Order Code550510
Order Code NameRNA, PCR (Graph) rfx/PSGT
Order Loinc
Result Code550451
Result Code NamePhenoSense GT(R)
UofM
Result LOINCN/A
Order Code550510
Order Code NameRNA, PCR (Graph) rfx/PSGT
Order Loinc
Result Code511958
Result Code NamePDF
UofM
Result LOINC80563-0
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551601 PhenoSense GT(R) PDF 51969-4
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551601
Result NamePhenoSense GT(R) PDF
UofM
Result LOINC51969-4
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551602 PhenoSense(R) PDF 51969-4
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551602
Result NamePhenoSense(R) PDF
UofM
Result LOINC51969-4
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551603 GeneSeq(R) PDF 51969-4
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551603
Result NameGeneSeq(R) PDF
UofM
Result LOINC51969-4
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551604 PSGT-Net Assessment 19146-0
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551604
Result NamePSGT-Net Assessment
UofM
Result LOINC19146-0
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551605 PSGT-PhenoSense(R) Results 49665-3
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551605
Result NamePSGT-PhenoSense(R) Results
UofM
Result LOINC49665-3
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551608 PSGT-GeneSeq(R) Results 53798-5
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551608
Result NamePSGT-GeneSeq(R) Results
UofM
Result LOINC53798-5
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551609 PSGT-Net Assessment Interp. 77202-0
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551609
Result NamePSGT-Net Assessment Interp.
UofM
Result LOINC77202-0
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551617 PSGT-PhenoSense(R) Interp. 62364-5
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551617
Result NamePSGT-PhenoSense(R) Interp.
UofM
Result LOINC62364-5
Reflex Table for PhenoSense GT(R)
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 551121 Reflex to PhenoSense GT(R) 551618 PSGT-GeneSeq(R) Interp. 62364-5
Reflex 1
Order Code551121
Order NameReflex to PhenoSense GT(R)
Result Code551618
Result NamePSGT-GeneSeq(R) Interp.
UofM
Result LOINC62364-5