West Nile Virus by PCR
Test Mnemonic
WNVPCR
CPT Codes
- 87798 - QTY (1)
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | EDTA (Lavender) | Frozen | Separate plasma from cells, transfer to sterile aliquot tube and freeze. Specimen source required. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Frozen | Separate serum from cells, transfer to sterile aliquot tube and freeze. Specimen source required. | |
| 1 mL | Cerebrospinal fluid (CSF) | Sterile container | Frozen | Specimen source required. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | 3 months |
| Refrigerated | 24 hours |
| Ambient | 8 hours |
Days Performed
Mon - Fri
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Qualitative Polymerase Chain Reaction |
Special Info
Must indicate specimen source. Heparinized specimens are unacceptable. This test is New York DOH approved.
Clinical Info
Used to confirm positive West Nile antibodies test or clarify equivocal serologic test results.