Critical care time coding guide
| Codes | |
| Less than 30 min | 99232 or 99233 or other appropriate E/M code |
| 30 min to 74 min | 99291×1 |
| 75 min to 104 min | 99291×1 and 99292×1 |
| 105 min to 134 min | 99291×1 and 99292×2 |
| 135 min to 164 min | 99291×1 and 99292×3 |
E/M, evaluation and management.