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Test Code ROTA Rotavirus Antigen, Feces

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

Fecal


Specimen 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

Reference Values

Negative

Day(s) Performed

Monday through Friday

CPT Code Information

87425

Report Available

1 to 3 days

Reject 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)

-Gastroenterology and Hepatology Test Request (T728)

Secondary ID

8886