Yersinia – Serology

Consistent with O. Reg. 671/92 of the French Language Services Act, laboratory testing information on this page is only available in English because it is scientific or technical in nature and is for use only by qualified health care providers and not by members of the public.

*Uncontrolled print copy. Valid only on day of print: 01 May 2024.

Specimen Collection and Handling

Specimen Requirements

Test Requested	Required Requisition(s)	Specimen Type	Minimum Volume	Collection Kit
Yersinia serology, or Yersinia enterocolitica, or Yersinia pseudotuberculosis, or Yersinia Infections, or Yersinia spp., or Yersinia Full Panel	General Test Requisition	Whole blood or serum	5.0 ml whole blood or 1.0 ml serum	Vacutainer tubes (SST)

Submission and Collection Notes

Indicate symptoms and date of onset on the General Test Requisition Form if diagnostic testing is required.

Limitations

Haemolysed, icteric, lipemic or microbially contaminated sera or plasma are not recommended for testing.

Storage and Transport

Label the specimen container with the patient’s full name, date of collection and one other unique identifier such as the patient’s date of birth or Health Card Number. Failure to provide this information may result in rejection or testing delay.

Special Instructions

Centrifuge if using SST. Place specimen in biohazard bag and seal.

Requisitions and Kit Ordering

Test Frequency and Turnaround Time (TAT)

Yersinia serology testing is performed once per week.

Turnaround time is up to 42 days from receipt by PHO laboratory.

Test Methods

Yersinia serology test is performed by in-house microplate agglutination test method.

Reporting

Results are reported to the ordering physician or health care provider as indicated on the requisition.

Specimens that are positive for Yersiniosis serology are reported to the Medical Officer of Health as per Health Protection and Promotion Act.

References

LAB-SD-008, Blood Collection using Serum Separator Tubes