Antimicrobial Susceptibility Testing

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Requisition Forms

Reference Details

Description:

Antimicrobial susceptibility testing of Clostridium difficile.

Test Category:
Susceptibility Testing
Pathogen:
Clostridium difficile
Illnesses and Diseases:
  • Pseudomembranous colitis
Specimen:

Pure culture or 1.0mL frozen stool sample.

Collection Method:

N/A

Specimen Processing, Storage and Shipping:

Send cultures as growth on culture medium or in transport medium.  Send frozen stool samples on dry ice.

Transportation of Dangerous Goods:

Shipping of specimens shall be done by a TDG certified individual in accordance with TDG regulations. For additional information regarding classification of specimens for the purposes of shipping, consult either Part 2 Appendix 3 of the TDG Regulations or section 3.6.2 of the IATA Dangerous Goods Regulations as applicable.

For additional guidance on the transport of infectious substances in other languages, please click on the link below.

http://www.who.int/ihr/capacity-strengthening/infectious-substances/en/

Patient Criteria:

N/A

Accompanying Documentation:

Completed Antimicrobial Resistance and Nosocomial Infections Requisition.

Comments:

N/A

Methods and Interpretation of Results:

Susceptibility testing is performed at the discretion of the lab by Etest, broth microdilution or Vitek2. Results are interpreted according to breakpoints published by CLSI, FDA or EuCAST.

Turnaround Time:

12 Calendar days, however if growth is slow 19 calendar days.

Contact:
Phone: (204) 789-5000
Fax: (204) 789-5020
References:
  1. CLSI. Performance Standards for Antimicrobial Susceptibility Testing, 26th informational supplement, M100-S26. 2016. Wayne, PA: Clinical and Laboratory Standards Institute.
  2. The European Committee on Antimicrobial Susceptibility Testing (EuCAST). Breakpoint tables for interpretation of MICs and zone diameters. Version 6.0, 2016. http//www.eucast.org.