Respiratory Syncytial Virus DFA
Also known as: RSV
Use
This test is used for the rapid detection of respiratory syncytial virus (RSV) primarily in children. RSV is a significant cause of respiratory infections, particularly bronchiolitis and pneumonia, in infants and young children. Early detection and diagnosis of RSV can help in the management and treatment of the infection, potentially reducing the severity of the disease and controlling its spread in institutional settings like daycares and hospitals. This test is less recommended for adults and inpatients, where a Respiratory Virus Mini Panel by PCR might provide better diagnostic sensitivity and specificity.
Special Instructions
Not provided.
Limitations
This test is specifically designed for rapid detection of RSV in respiratory specimens such as nasopharyngeal aspirates, swabs, or washings, and tracheal aspirate. The limitations of this test include its inability to use dry swabs or eSwabs for sample acquisition, as they are considered unacceptable conditions. Additionally, since the test is less recommended for adults and inpatients, its effectiveness outside the target demographic (mainly children) may be limited, and alternative methods like the Respiratory Virus Mini Panel by PCR are advised for older patients.
FDA ApprovedNew York Approved
Methodology
Immunoassay (Immunofluorescent Stain)
Biomarkers
Respiratory Syncytial Virus
Microorganism
LOINC Codes
- 5877-6 - RSV Ag Spec Ql IF
- 31208-2 - Specimen source
Result Turnaround Time
24 hours
Related Documents
For more information, please review the documents below
Specimen
Nasopharyngeal Swab
Volume
3 mL
Minimum Volume
0.5 mL
Container
Sterile container or viral transport media (ARUP Supply #12884)
Collection Instructions
Place nasopharyngeal aspirate, swab, or washing in the viral transport media provided. Ensure the specimen source is noted.
Storage Instructions
Refrigerated
Causes for Rejection
Dry swabs, eSwabs
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 2 hours |
| Refrigerated | 72 hours |
| Frozen | Unacceptable |
Other tests from different labs that may be relevant