Dedicated to protecting the health and safety
of Nebraskans through diagnostic laboratory
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Testing Results
IMPORTANT! Sites requesting testing must have approval from the appropriate state or local health department before submitting specimens. Approval must be sent to NPHL by email at or by calling (402) 559-9444.

A Special Microbiology Form must accompany the specimens. Some tests require additional forms and patient history. This will be listed below when applicable. When requested, testing will not be performed without all required information.

Please call NPHL Client Services at (402) 559-2440 or toll free at (866) 290-1406 for further clarification.


  Test: Yersinia Culture 
  Method: Standard reference procedures for Yersinia culture and identification 
  Availability: Daily; final negative report at 2 days, positives called as soon as detected 
  Specimen: Stool 
  Collection Device: Sterile stool container 
  Volume: 1.0 - 5.0 mL fresh stool; 10.0 mL in Cary-Blair media 
  Storage/Transport: Transport specimen in Cary-Blair media at ambient 
  Unacceptable: Nonsterile or leaking container, multiple specimens in 24 hour period, dry specimens, diapers, or delayed transport to lab in inappropriate preservative 
  Specimen Stability: Preferable to transport to lab within 2 hours 
  Reference Interval: Negative for Yersinia sp. 
  Reportable Disease:  
  Comments: Indicate suspected organisms and available patient history, especially any recent travels, on the test request form. Cary-Blair media available from Regional Pathology Services. 
  Revised: 7/12/2011 


If you have questions about proper specimen collection, please call NPHL Client Services at (402) 559-2440 or toll free at (866) 290-1406.