Follow-up test for patients with documented influenza A. Not a first-line test for the detection of suspected influenza in most clinical situations. Detects and subtypes the two predominant strains of circulating influenza A (H1N1 and H3N2).
Qualitative Polymerase Chain Reaction
Respiratory specimen: Bronchoalveolar lavage (BAL), nasal wash, nasopharyngeal swab, or pleural fluid.
Fluid: Transfer 1 mL respiratory specimen to a sterile container. (Min: 0.5 mL) Also acceptable: Transfer to viral transport media (ARUP Supply #12884) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. Swabs: Place in viral transport media. Place each specimen in an individually sealed bag.
Specimen source required.
Ambient: 8 hours; Refrigerated: 5 days; Frozen: 2 months
This test targets the H3 and 2009-H1 hemagglutinin genes. The current circulating Influenza A strains are detected and typed (H1N1 and H3N2), however, other H1 and H3 subtypes may also be detected.
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.
Laboratory Developed Test (LDT)
|Component Test Code*||Component Chart Name||LOINC|
|2007470||Influenza A Virus Subtype Source||31208-2|
|2007471||Influenza A Virus Subtype by PCR||34487-9|
- Flu H1,H3 PCR