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LQCL2612 - CMLE - Considerations for Work-Up of Cutaneous Non-Toxigenic Corynebacterium diphtheriae in the Clinical Microbiology Laboratory
Course Description

LabQ 2026 Clinical Laboratory: Microbiology 
 
Faculty/Authors

Mimi R. Precit, PhD, D(ABMM), M(ASCP)CM 

Providence Health and Services, Oregon Region
Portland, Oregon 

CMLE Credit: 2.0

Estimated Completion Time: 2 hour

Format: Online Educational Activity and Post Exam

Instructions

To claim CMLE credit for the exercise, do the following:

  1. Review the Technical Considerations.
  2. Click Go to Course to view an overview of the modules in this course.
  3. Click Access to begin the course.
  4. Review the Educational Activity.
  5. Complete and submit the Post Exam.
  6. Submit the course Evaluation to register your credit.

Faculty Disclosures​
The faculty have no relevant financial relationships with commercial interests to disclose.

Technical Considerations

Release Date: 3/31/2026 
Review Date:
Expiration Date: 12/31/2028  

Course Objectives
Following completion of this activity, you will be able to

  • discuss clinical presentations and patient risk factors for Corynebacterium diphtheriae wound infections; 

  • explain key differences between non-toxigenic wound/cutaneous diphtheria and toxigenic respiratory diphtheria characteristics and severity; 

  • recognize common microbiological features of wound cultures from which Corynebacterium diphtheriae is recovered; and 

  • generate workflow considerations for clinical microbiology laboratories to ensure identification, work up, and characterization of Corynebacterium diphtheriae isolates.  

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Summary
Availability:
On-Demand
Credit Offered:
2 CMLE Credits
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