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Norovirus, Group I and II Detection by RT-PCR

Updated

10/25/2010

Other Names
Norwalk-like Virus, Noro PCR, Norovirus RT-PCR
How to Order
Check the “Norovirus” box under the “Other” heading on the Virology/Immunology Request (form 42)
Availability Outbreaks only with approval from the Acute and Communicable Disease and Epidemiology Program
Methodology
Real-Time Reverse-Transcription Polymerase Chain Reaction
Performed As needed based on outbreak volume
Time to Reporting 1-7 working days after receipt of specimen
CPT Code
87798 x2


Specimen Collection Details

Collection
Human stool in a clean, screw-top plastic container.
Optimal Volume 2 mL or a “walnut-sized” amount
Minimum Volume 1 mL or a “pea-sized” amount
Handling
Refrigerate at 2-8° C.
Transport
Refrigerated as soon as possible after collection.
Rejection Criteria Leaking or improperly labeled specimens or specimens submitted without an assigned outbreak number.
Comments
Norovirus is the major cause of viral gastroenteritis. Also known as Norwalk-like virus, there are two distinct genogroups, group I and group II, of which group II is the most frequently circulating in Oregon.