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Venous Blood Gas
Test CodeVBGBT
Preferred Specimen
Green Top (Lithium Heparin)
Minimum Volume
2 mL
Other Acceptable Specimens
1 mL whole blood in heparin blood gas syringe
Instructions
Specimen must arrive within 1 hour of draw.
- If using a syringe, cap tightly, remove any air bubbles. Send ambient.
- If there is a delay in transport >30 minutes, send specimen on crushed ice.
Setup Schedule
Monday through Sunday; Continuously
Report Available
Same Day
Reference Range
pH, VBG: 7.33 - 7.43
Critical value (automatic call-back): <7.20 or >7.55
pCO2, VBG: 41 - 51 mm Hg
Critical value (automatic call-back): >65 mm Hg
pO2, VBG: 30- 45 mm Hg HCO3(Bicarb), VBG: 22 - 28 mmol/L
Base Excess, VBG: -2.5 – 2.5 mmol/L O2 Sat, ABG: 60 – 80%
Critical value (automatic call-back): <7.20 or >7.55
pCO2, VBG: 41 - 51 mm Hg
Critical value (automatic call-back): >65 mm Hg
pO2, VBG: 30- 45 mm Hg HCO3(Bicarb), VBG: 22 - 28 mmol/L
Base Excess, VBG: -2.5 – 2.5 mmol/L O2 Sat, ABG: 60 – 80%
Performing Laboratory
Northern Colorado Medical Center
Banner Churchill Community Hospital
Banner Fort Collins Medical Center
Summit View Laboratory
East Morgan County Hospital
Ogallala Community Hospital
Sterling Regional Medical Center
Platte County Medical Center
Torrington Community Hospital
