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Test Code HPFLU Influenza Virus Type A and Type B and Respiratory Syncytial Virus (RSV) RNA, Molecular Detection, PCR, Varies


Specimen Required


Preferred:

Specimen Type: Nasopharyngeal swab

Container/Tube: Sterile container with viral transport media

Specimen Volume: Entire specimen with a minimum of 1.5 mL (maximum 3 mL) of transport media.

Collection Instructions:

1. Collect specimen by swabbing back and forth over mucosa surface to maximize recovery of cells.

2. Swab must be placed into viral transport media (eg, M4-RT, M4 or M5), saline, or phosphate buffered saline (PBS). Media should not contain guanidine thiocyanate (GTC).

 

Specimen Type: Bronchoalveolar lavage fluid

Container/Tube: Sterile container

Specimen Volume: 0.6 mL

Additional Information: Do not aliquot into viral transport media.

 

Acceptable:

Specimen Type: Oropharyngeal (throat) swab, nasal mid-turbinate, or nares/nasal swab

Supplies:

-Culturette (BBL Culture Swab) (T092)

-Mid Turbinate (MT) Swab (FLOQSwab/COPAN) (T864)

-Swab, Sterile Polyester (T507)

Container/Tube: Sterile container with transport media

Specimen Volume: Entire specimen with a minimum of 1.5 mL (maximum 3 mL) of transport media.

Preferred: BBL Culture Swab, COPAN Mid-turbinate Swab

Acceptable: Dacron-tipped swab with plastic handle

Collection Instructions: Swab must be placed into viral transport media (eg, M4-RT, M4, or M5), saline, or PBS. Media should not contain guanidine thiocyanate (GTC).

 

Specimen Type: Bronchial washings, endotracheal aspirate, sputum

Container/Tube: Sterile container

Specimen Volume: 0.6 mL

Additional Information: Do not aliquot into viral transport media.


Secondary ID

610411

Useful For

Simultaneous detection of influenza A virus, influenza B virus, and respiratory syncytial virus in upper or lower respiratory tract specimens from individuals with flu-like illnesses

Method Name

Multiplex Reverse Transcriptase, Real-Time Polymerase Chain Reaction (RT-qPCR)

Reporting Name

Influenza A/B and RSV, PCR, Varies

Specimen Type

Varies

Specimen Minimum Volume

Upper respiratory tract swab: See Specimen Required; Lower respiratory specimens: 0.3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Frozen (preferred) 14 days
  Refrigerated  72 hours

Reject Due To

Bloody specimen Calcium alginate-tipped swab
Wooden shaft swab
Dry swab Glass transport media tubes
Transport swab containing gel or charcoal additive Sample tubes containing guanidine isothiocyanate, guanidine thiocyanate, or guanidine hydrochloride		 Reject

Reference Values

Undetected

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

87631

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HPFLU Influenza A/B and RSV, PCR, Varies 92143-7

 

Result ID Test Result Name Result LOINC Value
HPFLS Influenza A/B and RSV, Source 31208-2
610412 Influenza A virus PCR 92142-9
610413 Influenza B virus PCR 92141-1
610414 Respiratory Syncytial Virus, PCR 92131-2

Forms

If not ordering electronically, complete, print, and send an Microbiology Test Request (T244) with the specimen.