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Test Catalog

Test ID: GIAR    
Giardia Antigen, Feces

Specimen Type Describes the specimen type needed for testing


Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Forms: If not ordering electronically, complete, print, and send a Microbiology Test Request Form (T244) with the specimen (


Submit only 1 of the following specimens:


Specimen Type: Preserved stool


Preferred: Stool container with 10% buffered formalin preservative (Supply T466)

Acceptable: SAF or MF

Specimen Volume: 5 g

Specimen Stability Information: Ambient (preferred)/Refrigerated


Specimen Type: Unpreserved stool

Container/Tube: Stool container (Supply T288)

Specimen Volume: 5 g

Specimen Stability Information: Frozen

Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.

2 g

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected








Duodenal, duodenal aspirate, or small bowel aspirate (this test is not U.S. FDA approved for these types of sources); grossly bloody stool (containing no visible stool), or very mucoid stool


Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.

Specimen TypeTemperatureTime