Adenovirus Antigen, DFA
Test Code
Clinical Significance
Adenovirus Antigen, DFA - Respiratory viruses are responsible for a significant proportion of illness in human populations. Diagnosis may facilitate appropriate selection of specific antiviral drug therapy, prevent inappropriate use of antibiotics and guide patient management decisions.
Test Resources
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Test Details
Methodology
Reference Range(s)
Alternative Name(s)
Preferred Specimen(s)
3 mL nasopharyngeal aspirate/wash or nasopharyngeal swab in VCM medium or equivalent
Alternative Specimen(s)
3 mL bronchial lavage/wash in VCM medium or equivalent
Minimum Volume
1 mL
Collection Instructions
To maintain optimum viability, place swab or fluid into VCM (equal volumes of fluid and VCM) or equivalent and transport the specimen to the laboratory as soon as possible. Best recovery is obtained when the specimens are refrigerated at 2-8° C or kept on wet ice following collection and while in transit. If there will be a long delay before processing, specimens in VCM or equivalent should be frozen at -70° C or colder and transported on dry ice. Storage or transport at -20° C is not acceptable.
Transport Container
VCM medium tube or equivalent
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
- VCM medium tube or equivalent
Room temperature: Unacceptable
Refrigerated: 4 days
Frozen -20° C: Unacceptable
Frozen -70° C: 30 days
Reject Criteria
Dry swabs • Nasal smear • Non-respiratory specimens • Received in formalin or other fixatives • Received in non-viral transport medium such as nucleic acid or bacterial transport media • Sputum • Throat swabs • Unpreserved samples
Setup Schedule
Room temperature: Unacceptable
Refrigerated: 4 days
Frozen -20° C: Unacceptable
Frozen -70° C: 30 days