Commonly used laboratory blood tests for kidney patients and their reference ranges are summarized below.
Test |
Conventional units |
Conversion factor |
SI units |
Blood Tests for Kidney Function |
Blood ureanitrogen |
8 - 20 mg/dl |
0.36 |
2.9 - 7.1 mmol/L |
Creatinine Male |
0.7 - 1.3 mg/dl |
88.4 |
68 - 118 mcmd/L |
Female |
0.6 - 1.2 mg/dl |
88.4 |
50 - 100 mcmd/L |
eGFR |
90 - 120 ml/min |
-- |
-- |
Blood Tests for Anemia |
Hemoglobin Male |
13.5 - 17.0 g/dl |
10 |
136 - 175 g/L |
Female |
12.0 - 15.5 g/dl |
10 |
120 - 155 g/L |
Hematocrit Male |
41 - 53% |
0.01 |
0.41 - 0.53 |
Female |
36 - 48% |
0.01 |
0.36 - 0.48 |
Iron total |
50 - 175 mcg/dl |
0.18 |
9 - 31 mcmol/L |
Iron-binding capacity total |
240 - 450 mcg/dl |
0.18 |
45 - 82 mcmol/L |
Transferrin |
190 - 375 mg/dl |
0.01 |
1.9 - 3.75 g/L |
Transferrin saturation |
20 - 50 % |
-- |
-- |
Ferritin Male |
16 - 300 ng/ml |
2.25 |
36 - 675 pmol/L |
Female |
10 - 200 ng/ml |
2.25 |
22.5 - 450 pmol/L |
Test |
Conventional units |
Conversion factor |
SI units |
Blood Tests for Electrolytes and Metabolic Bone Diseases |
Sodium(Na) |
135 - 145 mEq/L |
1.0 |
135 - 145 mmol/L |
Potassium(K) |
3.5 - 5.0 mEq/L |
1.0 |
3.5 - 5.0 mmol/L |
Chloride(Cl) |
101 - 112 mEq/L |
1 |
101- 112 mmol/L |
Calcium ionized |
4.4 - 5.2 mg/dL |
0.25 |
1.10 - 1.30 mmol/L |
Calcium total |
8.5 - 10.5 mg/dl |
0.25 |
2.2 - 2.8 mmol/L |
Phosphorus inorganic |
2.5 - 4.5 mg/dl |
0.32 |
0.8 - 1.45 mmol/L |
Magnesium |
1.8 - 3 mg/dl |
0.41 |
0.75 - 1.25 mmol/L |
Bicarbonate |
22 - 28 mEq/L |
1 |
22 - 28 mmol/L |
Uric acid Male |
2.4 - 7.4 mg/dl |
59.48 |
140 - 440 mcmol/L |
Female |
1.4 - 5.8 mg/dl |
59.48 |
80 - 350 mcmol/L |
PTH |
11 - 54 pg/ml |
0.11 |
1.2 - 5.7 pmol/L |
Blood Tests for General Health |
Protein Total |
6.0 - 8.0 g/dl |
10 |
60 - 80 g/L |
Albumin |
3.4 - 4.7 g/dl |
10 |
34 - 47 g/L |
Cholesterol total |
100 - 220 mg/dl |
0.03 |
3.0 - 6.5 mmol/L |
Blood sugar fasting |
60 - 110 mg/dl |
0.055 |
3.3 - 6.1 mmol/L |
Blood Tests for Liver Function |
Bilirubin Total |
0.1 - 1.2 mg/dl |
17.1 |
2 - 21 mcmol/L |
Direct |
0.1 - 0.5 mg/dl |
17.1 |
<8 mcmol/L |
Indirect |
0.1 - 0.7 mg/dl |
17.1 |
<12 mcmol/L |
Alanine transaminase (SGPT) |
7 - 56 unit/L |
0.02 |
0.14 - 1.12 mckat/L |
Aspartate transaminase (SGOT) |
0 - 35 units/L |
0.02 |
0 - 0.58 mckat/L |
Alkaline phosphatase |
41- 133 units/L |
0.02 |
0.7 - 2.2 mckat/L |