Norovirus

Norovirus – PCR

Laboratory Fee Schedule
Procedure: MZZ0450A
CPT: 87798

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.