Days Set Up
Analytic Time

3 - 5 days

Soft Order Code

Test Updated:


Culture, Cornyebacterium diptheriae
Cornyebacterium diptheriae Screen
Culture, Corynebacterium diphtheriae
Throat, Diphtheria Screen
Corynebacterium diphtheriae Screen
Diphtheria Screen

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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


Test Usage

Confirmation of the clinical diagnosis of diphtheria.

Reference Range

No growth of Corynebacterium diphtheriae.

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

Specimen Requirements

Normal Volume
1 swab
Minimum Volume
1 swab

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.