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Expected results for microalbuminuria
| Tests | Normal | Microalbuminuria | Macroalbuminuria |
| 24 hr protein (mg) | < 150 | < 500 | ≥ 500 |
| 24 hr albumin (mg) | < 30 | 30-300 | > 300 |
| Timed collection for albumin (μg/min) | < 20 | 20-200 | > 200 |
| Spot sample collection for albumin (μg albumin/mg creatinine) | < 30 | 30-300 | > 300 |
