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HelpTest Code LAB79 Venous Blood Gas
Performing Lab
Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital
Ordering Recommendations
Assessment of acid-base balance.
Includes pH, pCO2, pO2, HCO3, TCO2, Base Excess/Deficit, and O2Saturation.
Collect
Venous Whole Blood or dark green top tube.
Collection Device
Lithium Heparin Syringe or
Lithium Heparin dark green top tube
Collection Instructions
Important Note
Send sample to Respiratory (at AOMC) or Laboratory (at IDMH) ASAP.
Specimen Volume
3 mL
Stability (from collection to initiation)
|
Room Temp |
30 minutes |
Storage/Transport Temperature
Room Temp
Minimum Requirements
0.5 mL
Remarks
TURN AROUND TIME
30 minutes
Methodology
Potentiometry, amperometry, spectrophotometry, ion selective electrode.
Start Date
9/13/2017
Last Review Date
06/24/2025
7/14/25 AP
7/31/2025 JLH