Days Set Up
Daily; Monday - Friday
Analytic Time

6 hours

MiChart Code
Giardia Antigen
Soft Order Code

Test Updated:


Parasite Antigen, Giardia
Parasite Exam, Giardia lamblia

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Enzyme Immunoassay

Test Usage

Screening for the detection of Giardia antigens present in stool.

Reference Range

Negative (no detectable Giardia lamblia antigen)

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

Specimen Requirements

Collection Offsite

Collect fresh random stool specimen. Add stool specimen to transport vial until liquid reaches fill line. Emulsify specimen thoroughly in transport fluid. If necessary, place a urine bag on the patient to prevent urine contamination.
Acceptable specimens are stool sent in Stool Culture transport (orange cap) (Cary Blair) stored refrigerated up to 48 hours. If an unacceptable specimen is received, the client will be notified before disposal of the original specimen. See MLabs Stool Specimen Collection Instructions available online at for patient instructions.

Normal Volume
5 mL stool
Minimum Volume

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.