Norwalk-Like Virus Antigen
Test Mnemonic
NORWLK
CPT Codes
- 87449 - QTY (1)
Aliases
- Norovirus
- Norovirus, EIA, Stool
Includes
- Norovirus Antigen
Performing Laboratory
Quest Diagnostics (Specialty)
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 g | Stool | Clean container | Frozen |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 g |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | Unacceptable |
| Frozen | 1 year |
| Refrigerated | 72 hours |
Days Performed
Mon, Wed, Fri
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Enzyme Immunoassay (EIA) |
Reference Range
Special Info
Rectal swabs and stool in transport media containing preservatives will be rejected. Stool contaminated with metal ions or oxidizing agents or detergents will be rejected.