Normal Lab Values

Reference guide for common clinical laboratory values.

Parameter Normal Range
pH 7.35 - 7.45
PaCO2 35 - 45 mmHg
PaO2 80 - 100 mmHg
HCO3 22 - 26 mEq/L
SaO2 > 95 %
Hemoglobin (Male) 13.5 - 17.5 g/dL
Hemoglobin (Female) 12.0 - 15.5 g/dL
Hematocrit (Male) 41 - 53 %
Hematocrit (Female) 36 - 46 %
WBC 4,500 - 11,000 /mm³
Platelets 150,000 - 450,000 /mm³
Sodium (Na+) 135 - 145 mEq/L
Potassium (K+) 3.5 - 5.0 mEq/L
Chloride (Cl-) 98 - 107 mEq/L