Hepatitis C Virus (HCV), Quantitative, Real-time PCR (Graphical)

CPT: 87522
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Test Details

Synonyms

  • HCV RNA Quantitation, TaqMan®

Use

Determine the number of international units (IU) of hepatitis C virus (HCV) RNA per milliliter in serum or plasma in known HCV-positive patients

Limitations

The quantifiable range of the assay is 15 IU/mL to 100,000,000 IU/mL.

Methodology

Cobas® AmpliPrep/Cobas® TaqMan® HCV Test v 2.0

Specimen Requirements

Specimen

Serum or plasma

Volume

2.5 mL

Minimum Volume

700 μL (Note: This volume does not allow for repeat testing.)

Container

Gel-barrier tube, lavender-top (EDTA) tube, or plasma preparation tube (PPT™)

Collection

Centrifuge sample within 24 hours of collection. Transfer serum/plasma to a screw-cap polypropylene transport tube. Ship frozen (preferred). Plasma from a PPT™ can be frozen and shipped in situ. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit a separate frozen specimen for each test requested.

Storage Instructions

Freeze (preferred) or refrigerate. Stable at room temperature for 24 hours or refrigerated for 72 hours. Stable frozen for six weeks.

Causes for Rejection

Incorrect anticoagulant; PPT™ not centrifuged

Clinical Information

Special Instructions

Submit the patient's Social Security number for serial monitoring. To order this test without the serial monitor service, order 550080.

References

Kleiber J, Walter T, Haberhausen G, Tsang S, Babiel R, Rosenstraus M. Performance characteristics of a quantitative, homogeneous TaqMan RT-PCR test for HCV RNA. J Mol Diagn. 2000 Aug; 2(3):158-166. 11229521

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
550070 HCV RT-PCR, Quant (Graph) 11011-4 550266 Hepatitis C Quantitation IU/mL 11011-4
550070 HCV RT-PCR, Quant (Graph) 11011-4 550259 HCV log10 log10 IU/mL 38180-6
550070 HCV RT-PCR, Quant (Graph) 11011-4 550307 Test Information: N/A
Reflex Table for Hepatitis C Quantitation
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 550265 HCV RNA (International Units) 550263 HCV RNA (International Units) IU/mL 11011-4
Reflex Table for Hepatitis C Quantitation
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 550265 HCV RNA (International Units) 550264 HCV log10 log10 IU/mL 38180-6

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