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 |
N/A |
| 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.
- Do not use preservatives or transport media.
- Ship in a clean, dry, sealable container.
|
| Transport Medium |
N/A
|
| Specimen Labeling |
- At least two patient-specific identifiers required on specimen (e.g., patient full name, date of birth, Medical record number).
- Three unique patient identifiers are preferred.
- Patient identifiers on specimen label must exactly match identifiers on submission form. (e.g., abbreviated name on label and full name on form is not acceptable.)
- Additional DSHS Laboratory specimen labeling guidelines available online here.
|
| Shipping and Specimen Handling Requirements |
- Ship refrigerated at 2–8°C on cold packs for overnight delivery.
- Use multiple cold packs to keep specimen cold for up to 48 hours.
- Ship according to Dangerous Goods Regulations, IATA, and/or CFR 49.
- Category B Biological Substance, UN3373 shipping requirements apply.
- Handle as an infectious agent, triple pack and use universal precautions.
- Submitters are responsible for packaging and shipping specimens according to regulatory requirements.
|
| Method |
Real-time PCR
|
| Turn-around Time |
48 business hours from receipt of specimen. |
| 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 volume
- Mismatch(es) between patient identifiers on G-2B submission form and specimen label
- Bloody stool
- Dried stool
- Stored in transport media or preservatives.
- Improper storage conditions.
- Failure to meet submission/shipping guidelines.
- Missing/incomplete/illegible submission form.
|
| Additional Information |
PCR test may be paired with bacteriological culture. |