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HelpTest Code POWVS Powassan Virus, RNA, Molecular Detection, PCR, Serum
Ordering Guidance
The Powassan virus polymerase chain reaction result may remain positive for a longer time in urine than in blood, serum, and cerebrospinal fluid (7 days or more).
Additional Testing Requirements
This test is designed to be used during the first 7 days after symptom onset and should be ordered in conjunction with POWV / Powassan Virus, IgM, Enzyme-Linked Immunosorbent Assay, Serum.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container: Sterile container
Specimen Volume: 0.5 mL
Collection Instructions:
1. Within 2 hours of collection centrifuge and aliquot serum into a sterile container.
2. Serum specimens not aliquoted from the serum gel collection tube into a sterile container will be rejected.
Specimen Type
SerumSpecimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 7 days | |
| Frozen | 7 days |
Reject Due To
| Gross hemolysis | Reject |
| Heat-inactivated specimen | Reject |
Reference Values
Negative
Day(s) Performed
Monday through Friday
Report Available
Same day/1 to 5 daysSpecimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
87798