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Norovirus PCR

Alias: Winter vomiting disease, Norwalk virus

Discipline: Virology

Test information: Used for the qualitative detection and differentiation of Norovirus genogroup I and genogroup II RNA from raw or unpreserved unformed stool specimens collected from individuals with symptoms of acute gastroenteritis.

Availability: Available locally Monday - Sunday during routine hours: 08:45 - 15:00. All requests must be made through Infection Prevention and Control (IPAC), Consultant Microbiologist or the Site Co-ordinator. Available to Royal Cornwall Hospital and Community Hospital patients.

For community outbreak testing including care homes please contact UK Health Security Agency (UKHSA).

Turnaround Time: Same Day

Specimen Type(s)
  • Faeces;
Other Acceptable Specimen Type(s)
Specimen Container - Adult
  • Fecon 27mL Clear Polypropylene Container with spoon;
  • Sterile CE-marked Universal Container;
Specimen Container - Paediatric
  • Fecon 27mL Clear Polypropylene Container with spoon.;
  • Sterile CE-marked Universal Container;
  • Norovirus genogroup I RNA;
  • Norovirus genogroup II RNA;
Part of a test profile?
Volume (min) of sample to be sent to laboratory
Patient Preparation, Sample Handling and Transport
  • Do not send more than one specimen from the same patient on the same day.
  • Take sample as soon as possible after onset of symptoms.
  • Specimen may be passed into a clean, dry, disposable bedpan or similar container and transferred to a leak proof container.
  • Assay interference may be observed in the presence of barium sulfate (contrast agent) and benzalkonium chloride (surfactant used to increase drug penetration & used as a bioactive agent in many topical products).
  • Please do not send vomit.
  • Specimens should be transported to the laboratory without delay.
  • Stool samples must be stored at 2 °C - 8 °C and are stable for up to 2 days.
  • If transport is delayed store at 2 °C - 8 °C.
Maximum add on time
2 Days
Units and Reference Ranges / Interpretation
Not detected / Detected/ Invalid / Inhibitory
UKAS number
UKAS accredited test?

If you have any queries about a test or results interpretation please contact us.

Last updated: 03-06-2023