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Test Code VBG Venous Blood Gases

Methodology

Includes pH, pCO2, pO2, HCO3, TCO2, Base Excess, and sO2

Specimen Requirements

Specimen must arrive within 1 hour of draw, on ice.

0.5 - 2.0 mL of whole blood collected in a heparinized syringe, capped and placed on ice.

Reference Values

 pH: 7.32 to 7.42

 pCO2: 41 to 51

 pO2: 25 to 40

 cHCO3: 24.0 to 28.0

Day(s) Test Set Up

Monday through Sunday

CPT Coding

82803

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory

LOINC Coding

24339-4