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Mayo Clinic Laboratories

Test Code POCVBG Point of Care, Venous Blood Gas

Methodology

pH and pCO2 by Potentiometry i-STAT PO2 by Amperometrically i-STAT

Performing Laboratory

Sky Lakes Medical Center-Point of Care

Specimen Requirements

Specimen Type: Venous bloodContainer/Tube:Green-top (lithium or sodium heparin) tube and disposable transfer device (eg, 1mL syringewith16-20 gauge needle)Specimen Volume:1 mL

Specimen Transport Temperature

Ambient

Reference Values

pH:7.33-7.43 pCO2: 38-50 mmHgpO2:30-50 mmHgCalculatedHCO3:23-27 mM/LBase excess:-4 to 4 meq/L

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82803