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Pathology and Laboratory Medicine
Test Catalogue

Blood Gases, Venous - Syringe


​Specimen Requirements​

  • ​Whole blood
  • Preferred Collection Container: Syringe (calcium and electrolyte balanced)

​Collection Procedure
  • Blood must be collected from a vein
  • Air bubbles must be avoided or removed from the syringe sample
  • To avoid clotting sample contents, the syringe must be mixed
  • Transport sample on ice to the laboratory immediately
​Required Volume
  • ​Optimal Volume: 1 mL
  • Pediatric volume: 0.5 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.)
  • ​1 hour post collection - Delayed analysis increases the risk that test results no longer represent patient status
Grounds for Rejection​

Testing Information​ ​

  • ​24 hours 
Testing Site​
  • ​SPH, RUH, SCH
  • Rural-Humboldt
Results Reporting​

  • Within 15 minutes of receipt in laboratory

  • ​Amperometric and potentiometric assays
​Specimen Retention
  • Specimens are discarded immediately after testing
​Additional Information
  • ​Venous samples collected in a syringe (calcium and electrolyte balanced) will have whole blood ionized calcium reported as well
SHR LIS Test Code​
  • Venous blood gas with metabolites and co-oximeter – VBGM  (For Laboratory Use Only)


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

Laboratory Controlled Document LSM - 184 V4

Last Modified: Friday, December 15, 2017 |
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