Home
HelpTest ID BLOD0771 West Nile IgG
Additional Information
Samples are best collected 10 days after onset of symptoms.
Antibodies may not show up earlier than that and could result in a
false negative.
Positives are repeated on the next scheduled testing day.
This test requires its own frozen aliquot.
Seasonal testing – scheduled times may vary
Specimen Type/Requirements
Gold top (Serum w/gel) tube - Serum
Red top (Serum w/out gel) tube - Serum
Test is affected by hemolysis and lipemia.
Stability/Transport
| Room Temperature | 8 hours | |
|---|---|---|
| Refrigerated | 48 hours | |
| Frozen | 7 days | Preferred for transport |
Performed Test Frequency
Testing is seasonal. Currently performed on Tuesday
only.
Methodology
EIA
Performing Lab
Sanford Laboratories Sioux Falls
CPT
86789
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Report Available
Seasonal: 1 - 7 days
Out of Season: 1 - 14 days
Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 4222 | West Nile IgG |
| 7842 | Reagent Blank |
| 7843 | IgG Patient OD |
| 7844 | IgG Cutoff Cal |
| 7845 | IgG Index |