A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Rotavirus Antigen

Test Code
ROTA


Alias/See Also
Epic: LAB443


Preferred Specimen

Specimen Type: Fecal
Collection Container: Sterile container
Specimen Volume: 2 mL




Minimum Volume

2mL Liquid or Solid Stool




Instructions
  1. Patient should pass stool into a clean, dry container mounted on the toilet for this purpose.
  2. Sample may also be collected from a diaper.


Transport Container
Sterile container


Specimen Stability

Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen: Unacceptable




Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Rejection will occur for the following reasons: improperly labeled specimen, insufficient volume, specimen not submitted in appropriate transport container, leaking specimens.




Methodology

Qualitative immunochromatographic assay that detects Rotavirus antigen in Stool



Setup Schedule

Daily




Report Available

1-2 Days




Limitations

Negative results can occur in samples containing low levels of antigen. Specimens containing high levels of blood may result as invalid.




Reference Range
Negative for Rotavirus antigen


Clinical Significance
Rotavirus particles decline after day 8 or 9, with peak particles occurring on day 3-5. Detection of a pathogen suggests an infectious cause of diarrhea. Diarrhea may be caused by a number of pathogens and other factors.


Performing Laboratory
Inova Fairfax Medical Campus Laboratory
3300 Gallows Road
Falls Church, VA 22042


Last Updated: September 14, 2023
Last Review: N. Wolford, September 14, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.