Reference ranges for urine tests
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Reference ranges for urine tests are described below:
| Measurement | Lower limit | Upper limit | Unit |
|---|---|---|---|
| Urinary specific gravity | 1.003 [1][2] | 1.030[1][2] | g/mL |
| Urobilinogen | 0.2[2] | 1.0 [2] | Ehrlich units or mg/dL |
| Free catecholamines, dopamine | 90 [3] | 420 [3] | μg/d |
| Red blood cells (RBCs) | 0[4][2] | 2[2] - 3[4] | per High Power Field (HPF) |
| RBC casts | n/a | 0 / negative[2] | |
| White blood cells (WBCs) | 0[2] | 2[2] | |
| pH | 5[2] | 7[2] | (unitless) |
| Protein | 0 | trace amounts[2] | |
| Glucose | n/a | 0 / negative[2] | |
| Ketones | n/a | 0 / negative[2] | |
| Bilirubin | n/a | 0 / negative[2] | |
| Blood | n/a | 0 / negative[2] | |
| Nitrite | n/a | 0 / negative[2] | |
| Leukocytes | n/a | 0 / negative[2] |
