Skip Ribbon Commands
Skip to main content
Navigate Up
Sign In
Normal Ranges for Common Laboratory Tests ​​
​Blood Gases, Arterial 
TEST RANGE
pH  
1 d - 1 mo None
1 mo - adult 7.35 - 7.45
pCO2  
1 d - 1 mo None
1 mo - adult male 35 - 48 mm Hg
1 mo - adult female 32 - 45 mm Hg
pO2  
1 d - 1 mo None
1 mo - adult 83 - 108 mm Hg
Bicarbonate  
1 - 2 d 17.2 - 23.6 mmol/L
2 d - 2 mo 19.0 - 23.9 mmol/L
2 mo - 2 y 16.3 - 23.9 mmol/L
2 y - adult 18.0 - 23.0 mmol/L
CO2 19.0 - 24.0 mmol/L
O2 Saturation  
1 - 2 d 40% - 90%
2 d - adult 95% - 98%