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General Information:

Web Links:

Mayo Clinic Laboratories

Test Code LAB0281895 Norovirus PCR, Molecular Detection, Feces

Additional Codes

Mayo Test ID
LNORO

Useful For

Diagnosing gastrointestinal disease (diarrhea or vomiting) caused by norovirus genogroups 1 and 2

 

This test should not be used as a test-of-cure.

Method Name

Real-Time Polymerase Chain Reaction (PCR)/RNA Probe Hybridization

Reporting Name

Norovirus PCR, F

Specimen Type

Fecal


Shipping Instructions


Place vial in a sealed plastic bag and ship ambient. Specimens received at other temperatures will be rejected, and testing will be canceled.



Specimen Required


Supplies: Culture and Sensitivity Stool Transport Vial (T058)

Container/Tube: Commercially available transport system specific for recovery of enteric pathogens from fecal specimens (15 mL of non-nutritive transport medium - either Cary-Blair, Para-Pak Culture and Sensitivity Media)

Specimen Volume: Representative portion of diarrheal fecal sample, 1 gram or 5 mL

Collection Instructions:

1. Collect fresh feces and place in preservative within 1 hour of collection.

2. Visibly formed feces are not consistent with Norovirus gastrointestinal disease and should not be submitted for testing.


Specimen Stability Information

Specimen Type Temperature Time
Fecal Ambient 7 days

Reject Due To

Nonpreserved feces
Transport media other than Cary-Blair or C and S
Modified Cary-Blair
Visibly formed feces		 Reject

Reference Values

Negative

Interpretation

A positive result indicates that RNA from norovirus genogroups 1 and/or 2 was present in the clinical specimen.

 

A negative result suggests that RNA from norovirus genogroups 1 and 2 was absent in the clinical specimen.

Day(s) Performed

Monday through Sunday

Report Available

2 to 5 days

Specimen Retention Time

7 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

87798 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LNORO Norovirus PCR, F 88701-8

 

Result ID Test Result Name Result LOINC Value
65170 Norovirus G1 PCR 54905-5
47553 Norovirus G2 PCR 54906-3