Table 3. Reference ranges for leukocyte and bacteria counts (per μL and mL, respectively) in uncentrifugated urine (14, 22, e30).
| Spontaneously voided urine | Midstream or catheterized urine | Urine obtained by bladder puncture | ||
|---|---|---|---|---|
| Girls; boys under age 3 | Boys age 3 and above | |||
| Leukocyte count | ||||
| physiological | < 20 | < 15 | < 5 | < 5 |
| suspect | 20–50 | 15–50 | 5–10 | 5–10 |
| pathological | > 50 | > 50 | > 10 | > 10 |
| Bacteria count | ||||
| physiological | < 104 | < 103 | < 103 | sterile |
| suspect | 104 | 103 to 5 × 104 | 103 to 5 × 103 | sterile |
| pathological | > 105 | > 5 × 104 | > 5 × 103 | any detection ofbacteria |