Laboratory Test Reference Ranges

Normal results

Electrolytes and Renal 

Sodium 135 – 150 mmol/L
Potassium 3.5 – 5.0 mmol/L
Chloride 98 – 107 mmol/L
Carbon Dioxide (CO2) 22 – 31 mmol/L

Calcium (Corrected) 2.15 – 2.55 mmol/L
Magnesium 0.75 – 1.07 mmol/L
Phosphate 0.85 – 1.45 mmol/L

Urea

Males
2.5 – 7.5 mmol/L
Females
2.0 – 6.5 mmol/L

(Adults)
Creatinine

Males
65 – 125 μmol/L
Females
50 – 90 μmol/L



Note:

Abnormal results in electrolytes may indicate problems deficiency or excess which may be due to underlying medical problems. High or low levels of calcium and phosphate may be common in kidney patients

High urea and creatinine results may indicate kidney problems