Norovirus PCR !!! NOTE: The contents are valid only for: 10/31/2025 !!!
| WSLH Department: | CDD - Communicable Disease Division |
| WSLH Test Code: | VR01717 |
| Day(s) Performed: | Monday - Wednesday - Friday |
| Turn-around Time: | 1-4 days |
| Recommended Uses: | Diagnosis and genotyping of Norovirus infection for surveillance and outbreak investigations |
| Pre-approval: | Yes; DHS or WSLH approval is required for norovirus testing |
| Contraindications: | Stools in formalin will not be tested |
| Additional Tests Performed: |
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| Preparation for Collection: | Stool specimens should be collected within 72 hours of symptom onset |
| Specimen Requirements: | Stool in Cary Blair is acceptable for testing Minimum testing volume is 1 mL |
| Collection Instructions: | |
| Collection Kit/Container: |
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| Requisition Form: |
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| Required Information: | Laboratory regulations require the following minimum information to be provided on the requisition form for a specimen to be accepted for testing: Patient name or unique identifier, date and time of collection, patient date of birth and sex, specimen type/site of collection, test request(s), clinician name and UPIN, and address for reporting results. Please be certain that name/identifier on the form matches that on the specimen label which is required to have a minimum of two identifiers. |
| Rejection Criteria: | Stools in formalin, stools received at room temperature |
| Specimen Handling: | Store specimens at 2-8°C and transport with a frozen cold pack |
| Packaging Requirements: | |
| Courier Information: | Contact Purple Mountain Dispatch at 800-990-9668 for specimen pickup |
| Specimen Receiving Hours: | Monday-Friday 6:00 AM - 4:30 PM, Saturday 6:30 AM - 12:30 PM |
| Results Include: | Norovirus GI RNA detected/not detected, Norovirus GII RNA detected/not detected |
| Limitations: | A negative result does not rule out infection with Norovirus and relevant clinical information should be taken into consideration when interpreting the results |
| Additional Tests Recommended: | Bacterial and other testing for causes of gastroenteritis may be appropriate based on incubation period, symptoms and other factors |
| Additional Comments: | |
| Methodology: | Real-time RT-PCR |
| Includes: | RT-PCR assay for the detection of Norovirus genotype I and II RNA in stool specimens |
| Regulatory Compliance: | |
| CPT Code: | 87798x2 |
| Price: | $222.00 |
| Fee Exempt Eligible: | Yes, with DHS approval only, 608-267-9003 |
| Billing and Revenue Office: | 1-800-862-1065 arbill@slh.wisc.edu |