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*Accredited by the Standards Council of Canada to Laboratory no. 594 (ISO/IEC 17025)

Requisition Forms

Reference Details


Serotyping of Escherichia coli

Test Category:
Escherichia coli
Illnesses and Diseases:
  • Gastroenteritis
  • Septicaemia
  • Bacteraemia
  • Neonatal meningitis

Isolate from urine, stool, blood, environmental, food, other.

Collection Method:

Isolate provided on appropriate culture medium for E. coli.

Specimen Processing, Storage and Shipping:

Send as growth on appropriate culture medium or in appropriate transport medium.  Culture vessel should be leak-proof or sealed appropriately.

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.


Patient Criteria:

Gastroenteritis, septicemia, infection, other.

Accompanying Documentation:

Completed Enteric Diseases Program requisition form.



Methods and Interpretation of Results:

Agglutination assay*(1)

In-silico serotype prediction

  1. Gross RJ, Rowe B. The serotyping of Escherichia coli In: Sussman M, ed. The Virulence of Escherichia coli: Reviews and Methods. London: Society for General Microbiology, Academic Press, 1985:345-63

Note: In-silico serotyping will be provided for isolates that are rough or non-motile.  All isolates may undergo in-silico serotype analysis for verification and quality control.

Turnaround Time:

21 calendar days.  Note: Turnaround times for routine isolates may be extended during major foodborne outbreak activities or due to limited availability of resources

Phone #: (204) 789-6009
Fax: (204) 789-5012