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Test Code GIARDM Giardia Antigen, Feces

Additional Codes

MAYO: GIAR

EPIC: LAB259


Advisory Information


Duodenal, colonic wash, or small bowel aspirates are not acceptable for this test. If giardiasis is suspected, order test ID, OAP / Parasitic Examination, Feces.



Specimen Required


Submit only 1 of the following specimens:

 

Preferred:

Specimen Type: Preserved feces

Supplies: Formalin 10% Buffered Neutral (T466); Stool Collection Kit, Random (T635)

Container/Tube:

Preferred: Fecal container with 10% buffered formalin preservative

Acceptable: SAF (sodium acetate formalin)

Specimen Volume: 5 g

Specimen Stability Information: Ambient (preferred) 60 days

 

Acceptable:

Specimen Type: Unpreserved feces

Supplies: Stool container, Small (Random), 4 oz (T288); Stool Collection Kit, Random (T635)

Container/Tube: Fecal container

Specimen Volume: 5 g

Specimen Stability Information: Frozen 60 days


Secondary ID

80231

Useful For

Sensitive screening for the detection of Giardia antigens present in fecal specimens

Testing Algorithm

The following algorithms are available in Special Instructions:

-Parasitic Investigation of Stool Specimens Algorithm

-Laboratory Testing for Infectious Causes of Diarrhea

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

Giardia Ag, F

Specimen Type

Fecal

Specimen Minimum Volume

2 g

Specimen Stability Information

Specimen Type Temperature Time Special Container
Fecal Varies

Reject Due To

Other Grossly bloody feces (containing no visible specimen), or very mucoid feces, specimens preserved in ECOFIX (green cap), C and S (orange cap), or methiolate formalin (MF)

Reference Values

Negative

Day(s) and Time(s) Performed

Monday through Saturday; Varies

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved or is exempt by the U.S. 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

87329

LOINC Code Information

Test ID Test Order Name Order LOINC Value
GIAR Giardia Ag, F 6412-1

 

Result ID Test Result Name Result LOINC Value
24085 Giardia Ag, F 6412-1