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Test Code LNORO Norovirus PCR, Molecular Detection, Feces

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 Special Container
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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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