Hepatitis C Viral RNA, Quantitative, Real-Time PCR

Hepatitis C Viral RNA, Quantitative, Real-Time PCR

Test Code

35645
87522
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
35645
87522
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Hepatitis C Viral RNA, Quantitative, Real-Time PCR - Useful in monitoring therapy and/or disease progression. Reportable range is 15 to 100,000,000 IU/mL (1.18-8.00 log IU/mL)

Test Resources

Test FAQ

Hepatitis C Virus Antibody and RNA Testing

Algorithm

Laboratory Testing Following Treatment of Hepatitis C Virus (HCV) Infection

Clinical Focus

Viral Hepatitis: Laboratory Support for Diagnosis and Management

Topic Brief

Laboratory Diagnosis of Peripheral Neuropathy

Test Guide

HIV Infection: Laboratory Testing for Diagnosis and Management

Test Details

Methodology

Real-Time Polymerase Chain Reaction

Assay Category

The analytical performance characteristics of this assay have been determined by Quest Diagnostics. The modifications have not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

HCV RNA, QN, Real-Time PCRNot Detected (Log IU/mL)
HCV RNA, QN, Real-Time PCRNot Detected (IU/mL)

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Real-Time Polymerase Chain Reaction
The analytical performance characteristics of this assay have been determined by Quest Diagnostics. The modifications have not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Range(s)

HCV RNA, QN, Real-Time PCRNot Detected (Log IU/mL)
HCV RNA, QN, Real-Time PCRNot Detected (IU/mL)
Service Area must be determined

Preferred Specimen(s)

3 mL plasma collected and separated from an EDTA (lavender-top) tube

Alternative Specimen(s)

Plasma collected in: PPT potassium EDTA (white-top) tube • Serum

Minimum Volume

1 mL

Collection Instructions

Do not freeze whole blood or any samples stored in primary tube. Freshly drawn specimens (whole blood) may be stored at 2-25°C for up to 24 hours prior to centrifugation. Separate plasma or serum from cells within 24 hours of collection by centrifugation. Follow manufacturer's instructions for collection tube handling.

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 72 hours
  • Refrigerated: 14 days
  • Frozen: 84 days

Reject Criteria

Whole blood samples >24 hours old • Frozen whole blood

Setup Schedule

Service Area must be determined
3 mL plasma collected and separated from an EDTA (lavender-top) tube
Plasma collected in: PPT potassium EDTA (white-top) tube • Serum
1 mL
Do not freeze whole blood or any samples stored in primary tube. Freshly drawn specimens (whole blood) may be stored at 2-25°C for up to 24 hours prior to centrifugation. Separate plasma or serum from cells within 24 hours of collection by centrifugation. Follow manufacturer's instructions for collection tube handling.
Transport tube
Refrigerated (cold packs)
Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 84 days
Whole blood samples >24 hours old • Frozen whole blood
Service Area must be determined
In-home collection may be available in your area for purchase through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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