Influenza A and B and RSV RNA, Qualitative, Real-Time RT-PCR
Test Code
91989
87631
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
Clinical Significance
Influenza A and B and RSV RNA, Qualitative, Real-Time RT-PCR - Persons at higher risk for Influenza include children <2, adults aged >65, and those with significant co-morbidities. RSV infection is more prevalent in infants and toddlers, but is also observed in the adult population particularly in elder care facilities or among the immunocompromised population.
Test Resources
None found for this test
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Test Details
Methodology
Real-Time Reverse Transcriptase Polymerase Chain Reaction (RT-PCR)
Reference Range(s)
| Influenza A RNA, PCR | Not detected |
| Influenza B RNA, PCR | Not detected |
| RSV RNA, PCR | Not detected |
Alternative Name(s)
Flu A/B,RSV
Preferred Specimen(s)
Nasopharyngeal swab (polyester, rayon or nylon tipped) submitted in 3 mL UTM or VTM
Alternative Specimen(s)
Nasopharyngeal swab (polyester, rayon or nylon tipped) submitted in M4, M4RT, M5, M6 medium
Minimum Volume
0.6 mL UTM or VTM
Transport Container
UTM (universal transport medium) • VTM
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- Room temperature: Unacceptable
Refrigerated: 4 days
-20° C: Unacceptable
-70° C: 30 days
Reject Criteria
Calcium alginate swabs • Wooden shafted swabs • Nasal specimens
Setup Schedule
Nasopharyngeal swab (polyester, rayon or nylon tipped) submitted in 3 mL UTM or VTM
Nasopharyngeal swab (polyester, rayon or nylon tipped) submitted in M4, M4RT, M5, M6 medium
0.6 mL UTM or VTM
UTM (universal transport medium) • VTM
Refrigerated (cold packs)
Room temperature: Unacceptable
Refrigerated: 4 days
-20° C: Unacceptable
-70° C: 30 days
Refrigerated: 4 days
-20° C: Unacceptable
-70° C: 30 days
Calcium alginate swabs • Wooden shafted swabs • Nasal specimens