Norovirus Detection, Real-time PCR

CPT: 87798(x2)
Updated on 10/18/2024
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Synonyms

  • Human Calicivirus
  • Norwalk Virus

Expected Turnaround Time

4 - 5 days


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Specimen Requirements


Specimen

Stool


Volume

1 mL


Minimum Volume

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


Container

Sterile container or Para-Pak® Orange


Storage Instructions

Refrigerate. Samples in Cary-Blair medium (Para-Pak® Orange) can be kept at room temperature.


Stability Requirements

TemperaturePeriod
Room temperature

Sterile container: 7 days;

Cary-Blair medium: 5 days

Refrigerated

Sterile container: 7 days;

Cary-Blair medium: 14 days

Frozen

Sterile container: 7 days;

Cary-Blair medium: Unstable


Causes for Rejection

Quantity not sufficient for analysis; specimen too old; leaking or broken tube; frozen sample in Cary-Blair medium (Para-Pak® Orange)


Test Details


Use

This test is intended to be used as an aid in the diagnosis of infections caused by noroviruses, and to differentiate viruses belonging to Norovirus genogroup 1 (eg, Norwalk virus) and from those belonging to Norovirus genogroup 2 (e.g., Snow Mountain agent).

This test is intended to be used as an aid in the diagnosis of infections caused by noroviruses, and to differentiate viruses belonging to Norovirus genogroup 1 (eg, Norwalk virus) and from those belonging to Norovirus genogroup 2 (eg, Snow Mountain agent).

This test is intended to be used as an aid in the diagnosis of infections caused by noroviruses, and to differentiate viruses belonging to Norovirus genogroup 1 (eg, Norwalk virus) and from those belonging to Norovirus genogroup 2 (e.g., Snow Mountain agent).


Limitations

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.


Methodology

Real-time reverse transcriptase polymerase chain reaction (RT-PCR)


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