| MILD | MODERATE | SEVERE |
Arterial pH | 7.25 - 7.30 | 7.00 - 7.24 | <7.00 |
Serum Bicarbonate (meq/L) | 15 - 18 | 10 - 15 | <10 |
Anion gap (meq/L) | 10 - 12 | 12 - 14 | >15 |
Mental status | Alert | Alert/drowsy | Stupor/coma |