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Pathology and Laboratory Medicine
Test Catalogue



​Specimen Requirements​

  • ​Whole blood
  • ​Preferred Collection Container:
  • Alternative Collection Container:
    • Venous Blood – Low dose balanced heparin syringe
​Collection Procedure
  • ​Venous blood- no tourniquet, pre-chill tube
  • Send all samples to lab on ice
​Required Volume
  • 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.)
  • Capillary Volume: 125 μL
  • Pediatric Volume
  • ​1 hour
Grounds for Rejection​

Testing Information​ ​

  • ​24 hours a day
Testing Site​
  • ​SPH, RUH, SCH
  • Rural-Humboldt
Results Reporting​
  • In hospital reported within 1 hour
  • Critical results greater than or equal to 5.01 mmol/L will be phoned (Blood)
  • ​Amperometric assay
SHR LIS Test Code​
  • ​LA (For Laboratory Use Only)


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

Laboratory Controlled Document LSM-191 v4

Last Modified: Monday, March 16, 2020 |
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