Norovirus

Norovirus – PCR 

Laboratory Fee Schedule

Procedure:  MZZ0450A

CPT: 87798

 

Norovirus - PCR
Synonym(s): Norwalk-like virus
Requisition Form G-2B
Test Description PCR test designed to detect the presence of RNA from human noroviruses and the Norwalk-like virus genera
Pre-Approval Needed May require epidemiologist approval
Supplemental Information Required N/A
Supplemental Form(s) N/A  
Performed on Specimens from (sources) Human
Sample/Specimen Type for Testing

Stool samples
Minimum Volume/Size Required

200µL to 400µL
Storage/Preservation Prior to Shipping
  • Specimen should be maintained between 2-8 °C. 
  • Do not freeze.
  • No preservatives or transport media
  • Ship in dry container
  • Must be tested within 48 hours of collection
Transport Medium

N/A
Specimen Labeling
  • Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number)
  • Identifiers on specimen must exactly match submission form.
Shipping and Specimen Handling Requirements
  • Ship according to Dangerous Goods Regulations, IATA, and/or CFR 49.
  • Ship on cold packs or wet ice
Method

Real-time PCR
Turn-around Time 48 business hours from receipt
Interferences/Limitations

Heme from hemoglobin interferes with PCR in this assay. From hemoglobin interferes with PCR in this assay.
Common Causes for Rejection
  • Insufficient specimen
  • Specimen not kept/received cold
  • Bloody stool
  • Dried stool
  • Stored in transport media or preservatives
  • Improperly stored and/or
  • Failure to meet submission/shipping guidelines
Additional Information PCR test may be paired with bacteriological culture.
   

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