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