Virus, Direct Detection DFA, Respiratory Profile

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Category:

Turnaround Time: 2 - 3 days
CPT Code: 87260; 87275; 87276; 87279; 87280; 87299
Test Type: One viral transport or 1 mL aspirate/wash
Stability Time:

Refrigerate (2°C to 8°C); stable for 72 hours. Stable frozen at -70°C for >72 hours.

Reference Range:

Adenovirus Negative
Human Metapneumovirus Negative
Influenza A Negative
Influenza B Negative
Parainfluenza Negative
Respiratory Syncytial Virus
Negative

Overview:

Aid in the diagnosis of viral respiratory disease.

Detection of respiratory viruses will vary greatly depending upon the specimen quality and subsequent handling. A negative result does not exclude the possibility of viral infection. Results of the test should be interpreted in conjunction with information available from epidemiological studies, clinical evaluation of the patient, and other diagnostic procedures. Culture should be considered to confirm negative results of this test in a symptomatic patient. The viral antigens detected in some direct specimens may be from nonviable virus. This is particularly true for RSV, which is known for its instability and loss of viability.

Collection Details:

Collection Instructions:

Viral, Chlamydia, or Mycoplasma culture transport (provided by LabCorp), or other appropriate transport medium; sterile screw-cap tube or container for nasal washings or bronchoalveolar lavage.


Specimen should be collected during acute phase of disease.

Refrigerate (2°C to 8°C); stable for 72 hours. Stable frozen at -70°C for >72 hours.