Test Overview

Test Methodology

Indirect Fluorescent Antibody (IFA)

Reference Range*

<1:16 antibody not detected; 1:16 equivocal, repeat in 3-4 weeks; >1:32 antibody detected

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Monday - Friday

Analytic Time

2 - 7 days

Soft Order Code


MiChart Code

Giardia Antibody IFA (Sendout)




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Laboratory Reference

Mayo GRAB (80628) (Focus 40500)

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in red top or SST tube. Centrifuge, aliquot serum into a plastic vial, and refrigerate or freeze. Label as acute or convalescent.


Yellow Top Tube

Normal Volume

1 ml serum

Minimum Volume

0.25 ml serum

Additional Information

Test is sent to Mayo Medical Laboratories; performed by Focus Diagnostics.

Billing Information

Fee Codes

CPT Code


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