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Test Code ROTA Rotavirus Antigen

Additional Codes

Epic: LAB443

Specimen Required

Collection Container/Tube: Sterile container
Submission Container/Tube: Sterile container
Specimen Volume: 2 mL
Collection 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.

Specimen Minimum Volume

2mL Liquid or Solid Stool

Specimen Stability

Room temperature: Unacceptable

Refrigerated: 72 hours

Frozen: Unaccpetable

Reference Range

Negative for Rotavirus antigen

Rejection Due To

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

Report Available

1-2 Days

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.

Method Name

Qualitative immunochromatographic assay that detects Rotavirus antigen in Stool


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

Day(s) Performed