Days Set Up
Analytic Time

24 hours

MiChart Code
Shiga-like Toxin (E. coli 0157), Stool
Soft Order Code

Test Updated:


E coli O157
E. coli O157
Enterohemorrhagic E coli
Enterohemorrhagic E. coli
Escherichia coli O157
Hemolytic Uremic Syndrome (HUS)
Shiga toxin
Shiga toxin 1 and 2
SLT (Shiga-Like Toxin)

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All specimens should be accompanied by a requisition.

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

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Test Overview

Test Methodology

Enzyme Immunoassay (EIA)

Test Usage

Detection of presence of shiga toxin 1 and 2.

Reference Range

No shiga toxin detected.

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

Specimen Requirements

Collection Offsite

Collect fresh random stool or rectal swab. Add stool specimen to transport until liquid reaches fill line. Emulsify specimen thoroughly in transport fluid. Send stool in transport within 72 hrs of collection or rectal swab in aerobic transport within 24 hrs. Do not refrigerate or incubate. Bacterial isolates are also acceptable. If Hemolytic Uremic Syndrome is suspected or stool is bloody, indicate this on the requisition. No more than 1 specimen per day will be accepted. Indicate specimen source and collection date/time.

Normal Volume
2 - 5 mL stool or 1 swab (ESwab)
Minimum Volume
2 mL stool or 1 swab (ESwab)

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.