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Pathology and Laboratory Medicine
Test Catalogue

​Blood Gases, Capillary Blood


​Specimen Requirements​

  • ​Whole blood
  • ​Preferred Collection Container: Plastic capillary tube (calcium and electrolyte balanced)
​Collection Procedure
  • No air bubbles present in capillary tube
  • To avoid clotting sample contents, the capillary tube must be mixed
​Required Volume
  • ​Capillary Volume: 125 μL
​Stability/ Storage
  • ​1 hour post collection - Delayed analysis increases the risk that test results no longer represent patient status
​Grounds for Rejection

Testing Information​ ​

  • ​24 hours a day
Testing Site​
  • ​RUH, SPH
  • Rural - Humboldt
Results Reporting​
  • Within 15 minutes of receipt in laboratory 
  • pO2 and O2sat are not available on capillary specimens
  • ​Amperometric and potentiometric assays
​Specimen Retention
  • ​Entire sample is used in analysis
SHR LIS Test Code​
  • ​BGCM (For Laboratory Use Only)


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

Laboratory Controlled Document LSM-185 v6

Last Modified: Friday, December 15, 2017 |
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