Influenza A and B and RSV RNA, Qualitative, Real-Time RT-PCR

Test code

91989

CPT code(s)*

87631

**CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.

In-home collection is not available in your area through Quest Mobile.

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
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Details

Test details

Methodology

Real-Time Reverse Transcriptase Polymerase Chain Reaction (RT-PCR)

Alternative name(s)

Flu A/B,RSV

Specimen requirements
Patient preparation	None Specified
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

Reference range(s)

Reference Range(s)

Influenza A RNA, PCR	Not detected
Influenza B RNA, PCR	Not detected
RSV RNA, PCR	Not detected

LOINC® codes

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NOTE: The codes listed in the table are not orderable Test Codes

Result code	Result name	LOINC code	Component name
86010477	INFLUENZA A RNA, PCR	34487-9	Influenza virus A RNA
86010478	INFLUENZA B RNA, PCR	40982-1	Influenza virus B RNA
86010479	RSV RNA, PCR	40988-8	Respiratory syncytial virus RNA

Performing lab & setup schedule

Performing laboratory

Quest Diagnostics - East Region

Setup schedule

Set up: Daily; Report available: 1 day

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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