Clinical Specimen Submission Guidance

Submit all specimens to 50 Orms St, Providence RI 02915. Open Monday to Friday 8:30 AM to 4:30 PM


Lab Molecular Diagnostics Laboratory 401-222-5538
Organism Norovirus
Disease Norovirus
Test Description

Real-Time Reverse Transcriptase Polymerase Chain Reaction (rRT-PCR) for the detection of Norovirus RNA

Special Instructions

PREAUTHORIZATION by the RIDOH Center for Acute Infectious Disease Epidemiology (401) 222-2577 is required prior to transporting specimens.

Noro virus testing is for outbreak investigation only.


Unpreserved stool: Minimum 5 mL in a clean vial.

Cary-Blair Transport Media: Add stool specimen into container until red fluid reaches the fill line designated by the black arrow on the container

Store refrigerated at 2- 8C.

CLIA regulations require two patient identifiers on the specimen container and the test requisition.

Form Required Rhode Island State Health Laboratories (RISHL) test requisition form
Test Request Write "NORO" in comment field on requisition form

Transport within 24 hours of collection.

All specimens must be transported on wet ice or equivalent cooling material and packaged in accordance with current federal shipping regulations.


Do not pass the specimen into toilet

Do not urinate in the specimen container

Do not take a laxative before collecting the specimen

Normal Value Negative for Norovirus
Turnaround Time 24 hours to 2 business days
Kit Kits may be obtained Monday - Friday between 8:30 am and 4:00 pm from the RI State Health Laboratories Center for Laboratory Support Services