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Test Code VBG Venous Blood Gas

Performing Laboratory

Hunterdon Medical Center Laboratory

Test Includes

Venous Analytes

 

Measured Calculated
pH Base excess
pCO₂ Bicarbonate (HCO₃)
pO₂ Total CO₂
O₂ Saturation  

 

Special Instructions

Note: Effective March 1, 2016, specimen must be received on ice. Place specimen in plastic bag and close; then place in a bag of ice. Deliver to the Laboratory immediately after collection.

Specimen Required

Container/Tube: Blood Gas Syringe or Heparinized Green Top Tube.

Specimen Volume: 1ml

Minimum Specimen Volume: 0.5ml

Specimen Type

Venous blood

Specimen Transport Temperature

Deliver on ice.

Reject Specimen Due To

Clotted

Quantity Not Sufficient for testing

Day(s) Test Set up

Monday through Sunday

Available STAT

Reference Values

Venous Analytes

 

Test Reference Value Units
pH 7.320 -7.430  
pCO2 40.0 – 60.0 mm[Hg]
pO₂ 30.0 – 55.0 mm[Hg] 
Bicarbonate (HCO₃) 22.0 – 27.0 mmol/L
Total CO₂ 40.0 – 45.0 mmol/L
Base Excess -2.0 to 2.0  mmol/L
O₂ Saturation 40.0 – 85.0  %

Methodology

Visible absorption spectroscopy

CPT Code

82083

Loinc Code

 

Test LOINC
pH 2746-6
pCO₂ 2021-4
pO2  2703-7
pO2 2705-2
Base Excess 1927-3
Bicarbonate (HCO3) 14627-4
Total CO2 2027-1
O2 Saturation 2711-0