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Test Code LABFLABN Influenza A and B, Molecular Detection

Important Note

This test should not be requested or ordered unless the patient meets clinical and epidemiology criteria for testing from June 1 through September 30. False positive results increase when the disease prevalence is low.

 

Infectious

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic
INFLUENZA A & B BY MOLECULAR DETECTION LABFLABN FLUABM

 

Methodology

Cepheid Gene-Xpert Real-Time Polymerase Chain Reaction (RT-PCR)

Specimen Requirements

Specimen Type: Nasopharyngeal (NP) or nasal swab

Container/Tube: Universal Viral Transport Media (VTM) collection vial 3 mL

Specimen Volume: Entire collection 3 mL

Collection Instructions:  Sputum, throat swabs, aspirates, and washes are not acceptable.

 

Nasal Swab Collection:

  1. Insert a nasal swab 1 to 1.5 cm into a nostril
  2. Rotate the swab against the inside of the nostril for 3 seconds while applying pressure with a finger to the outside of the nostril
  3. Repeat on the other nostril with the same swab, using external pressure on the outside of the other nostril; (note: to avoid specimen contamination, do not touch the swab tip to anything other than the inside of the nostril)
  4. Remove and place the swab into the tube containing 3 mL of acceptable transport medium
  5. Break swab at the indicated break line and cap the specimen collection tube tightly

Nasopharyngeal Swab Collection:

  1. Insert a nasopharyngeal swab into either nostril, passing it into the posterior nasopharynx
  2. Rotate swab by firmly brushing against the nasopharynx several times
  3. Remove and place the swab into the tube containing 3 mL of acceptable transport medium
  4. Break swab at the indicated break line and cap the specimen collection tube tightly

Additional Information:

  1. Label container with patient’s name (first and last), date and actual time of collection, and source/type of specimen.

Specimen Transport Temperature

Temperature Time
Refrigerated (preferred) 7 days
Room temperature 24 hours

Day(s) Test Set Up

Monday through Sunday

Performing Laboratory

Central Region: St. Joseph's Hackensack Clinic Lab, St. Joseph's - Baxter Clinic Lab, St. Joseph's - Brainerd Clinic Lab, St. Joseph's - Crosslake Clinic Lab, St. Joseph's Emily Clinic Lab, St. Joseph's - Pequot Lakes Clinic Lab, St. Joseph's - Pierz Clinic Lab, St. Joseph's - Pillager Clinic Lab, St. Joseph's - Pine River Clinic Lab, St. Joseph's Medical Center Lab

 

East Region: Ashland Clinic Lab, Cloquet Clinic Lab, Deer River Hospital Lab, Duluth Family Medicine Clinic Lab, Ely Clinic Lab, Grand Rapids Clinic Lab, Hayward Clinic Lab, Hermantown Clinic Lab, Hibbing Clinic Lab, International Falls Clinic Lab, Lakeside Clinic Lab, Lakewalk Clinic Lab,Moose Lake Hospital Lab, Northern Pines Lab, Proctor Clinic Lab, Sandstone Hospital Lab, SMDC Clinical Lab, Spooner Clinic Lab, St. Mary's Hospital - Superior Lab, Virginia Hospital Lab, West Duluth Clinic Lab

 

West Region: Ada Hospital Lab, Bagley Clinic Lab, Fargo Hospital Lab, Fosston Hospital Lab, Holy Trinity Hospital Graceville Lab, Jamestown Clinic Lab, Lisbon Clinic Lab, Menahga Clinic Lab,Mid Dakota Clinic 9th Street Bismarck, Mid Dakota Clinic Gateway Bismarck, Mid Dakota Clinic Kirkwood Bismarck, Moorhead Clinic Lab, Downtown Moorhead Clinic Lab,Oklee Clinic Lab, Osgood Clinic Lab, Park Rapids Clinic Lab,Park Rapids Hwy 34 Clinic Lab, South University Clinic Lab, St. Mary's - Detroit Lakes Hospital Lab, St. Mary's - Frazee Clinic Lab, St. Mary's - Mahnomen Clinic Lab, St. Mary's - Pelican Rapids Clinic Lab, Valley City Clinic Lab, Wahpeton Clinic Lab, Walker Clinic Lab, West Acres Clinic Lab, West Fargo Clinic Lab, West Fargp The Lights Clinic Lab, 52nd Avenue Clinic Lab, 45th Clinic Lab

Test Classification and CPT Coding

87502-Influenza A

87502-Influenza B

Reference Values

Negative (reported as positive or negative)

Rejection Criteria

Any swab specimen that has not been placed in Viral Transport Media will be rejected.

Any swab specimen that has been placed in the 1 mL Viral Transport Media tube instead of the 3 mL Viral Transport Media tube will be rejected.

Special Instructions