Test Code VBG-C Venous Blood Gases, Cord Blood
Performing Laboratory
North Ottawa Community Hospital
Specimen Requirements
Specimen Type: Whole blood
Container/Tube: Lithium heparin blood gas syringe
Specimen Volume: 2 mL
Collection Instruction:
1. Draw venous cord blood in syringe.
2. Place syringe in wet ice immediately after draw.
Reference Values
pH
7.22-7.44
Critical value (automatic call-back): <7.11
pCO2
36-63 mm Hg
pO2
12-43 mm Hg
HCO3
20-28 mmol/L
Day(s) Test Set Up
Daily
Methodology
Includes pH, pCO2, pO2, HCO3, SO2, TCO2, % CO Hgb, % MET Hgb, O2 Hgb, and base excess.
Specimen Transport Temperature
On wet ice
CPT Code
82805