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Pathology and Laboratory Medicine
Test Catalogue

​Adverse Event Investigation

Transfusion Medicine

​Specimen Requirements​

  • ​Whole blood
​Required Volume


  • ​Optimal Volume: 4 mL Full collection tube
  • Minimum Volume: 1 mL
    (Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
  • Pediatric Volume: 1 mL

Transfuse-only SHR sites or referred-in specimens:

  • ​Store at 2 - 8º C
Grounds for Rejection​


Transfuse-only SHR sites or referred-in specimens:

Testing Information​ ​



  • RUH on site testing available 24 hours/7 days
  • SCH on site testing available 0730-1530 Monday through Friday, excluding statutory holidays and bank days. After hours (1531 through 0729 hours) testing referred to RUH.
  • SPH on site testing available 0730-1930 Monday through Friday, excluding statutory holidays. After hours (1931through 0729 hours) testing referred to RUH.


  • On site testing available 0700-1730 Mon-Fri, 0800-1600 weekends/stats, call-back after hours
Transfuse-only SHR sites or referred-in specimens: 
  • Collection of specimens must occur immediately following adverse event identification (technologist call-back to the lab for collection and specimen referral to Saskatoon for testing will be required)
Results Reporting​


  • Initial investigation testing within one hour of receipt in Transfusion Medicine

Transfuse-only SHR sites or referred-in specimens:

  • Initial testing within 24 hours upon receipt at testing laboratory
​Reflex Testing
  • ​As determined by type of reaction and results of initial testing
​Clinical Interpretation
  • ​For immediate discussion and preliminary interpretation of results, contact the on call Transfusion Medicine Physician 
  • Transfusion reaction investigation conclusions are reported by a Transfusion Medicine Physician into the patient permanent electronic record within one week of investigation completion
​Specimen Retention
  • ​5 weeks, however additional testing must be performed within 96 hours
Alternate Test Names​
  • ​Transfusion Reaction Investigation
  • Adverse Event
​Additional Comments
  • ​Bedside clinical staff must report adverse events immediately to the most responsible healthcare provider by phone for direction regarding patient management and necessary investigations 
  • Notify the Transfusion Medicine Laboratory by phone of all transfusion adverse events
    • Mon-Fri 0800-1600 hours – contact the laboratory on-site within your transfusing facility
    • Evenings/nights and weekends/stats – contact the RUH Transfusion medicine Laboratory
  • Adverse event information:  Saskatchewan Transfusion Resource Manual | SaskBlood
  • Specimen collections must be accompanied by the Saskatchewan Transfusion Adverse Event Report Form (TAER)
    • All fields of page 1 must be completed prior to submission to the Transfusion Medicine Laboratory
    • Refer to completion instructions in SaskBlood Guideline 18
SHR LIS Test Code​
  • ​BBSPC (For Laboratory Use Only)

Test Ordering Requirements​ ​

​Forms Required

Patient History​ ​

​Relevant Clinical History


​If you choose to print this information, it is valid only on date of print.

Laboratory Controlled Document LSM-41 v3

Last Modified: Friday, September 29, 2017 |
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