Grading of Severity of Acid-Base Disorders
| Arterial pH | Acid-base status | Arterial hydrogen ion concentration (nmol/L) |
|---|
| <7.2 | Severe acidosis | >60 |
| 7.2–7.3 | Moderate acidosis | 50–60 |
| 7.3–7.35 | Mild acidosis | 45–50 |
| 7.35–7.45 | Normal range | 35–45 |
| 7.45–7.5 | Mild alkalosis | 30–35 |
| 7.5–7.6 | Moderate alkalosis | 20–30 |
| >7.6 | Severe alkalosis | <20 |