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HelpOrder Name ROTA Rotavirus Antigen, Feces
Reporting Name
Rotavirus Ag, FUseful For
Investigation of patients with diarrhea, particularly infants, the elderly, and immunocompromised patients
Investigation of nosocomial diarrhea
Testing Algorithm
For information on other diagnostic tests that may be useful in the evaluation of a patient with diarrhea, see Laboratory Testing for Infectious Causes of Diarrhea.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
FecalSpecimen Required
Specimen Type: Fresh unpreserved feces
Supplies: Stool Collection Kit, Random (T635)
Container/Tube:
Preferred: Sterile fecal container
Acceptable: Swab
Specimen Volume: 5 to 10 grams
Collection Instructions: Place specimen in a tightly sealed plastic bag.
Specimen Minimum Volume
1 gram
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Fecal | Frozen (preferred) | 7 days | |
| Refrigerated | 72 hours |
Special Instructions
Reference Values
Negative
Day(s) Performed
Monday through Friday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
87425
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| ROTA | Rotavirus Ag, F | 5880-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 24082 | Rotavirus Ag, F | 5880-0 |
Report Available
1 to 3 daysReject Due To
| Grossly bloody (containing no visible feces) Very mucoid feces Feces received in any preservative (example: Ecofix, formalin, PVA, C and S media) |
Reject |
Method Name
Enzyme Immunoassay (EIA)
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Microbiology Test Request (T244)