| 5 Extracorporeal Assistance and Performance | |||
| A Physiological Systems | |||
| 0 Assistance : Taking over a portion of a physiological function by extracorporeal means | |||
| Body System | Duration | Function | Qualifier |
| Character 4 | Character 5 | Character 6 | Character 7 |
| 2 Cardiac | 1 Intermittent 2 Continuous | 1 Output | 0 Balloon Pump 5 Pulsatile Compression 6 Other Pump D Impeller Pump |
| 5 Circulatory | 1 Intermittent 2 Continuous | 2 Oxygenation | 1 Hyperbaric C Supersaturated |
| 9 Respiratory | 3 Less than 24 Consecutive Hours 4 24-96 Consecutive Hours 5 Greater than 96 Consecutive Hours | 5 Ventilation | 7 Continuous Positive Airway Pressure 8 Intermittent Positive Airway Pressure 9 Continuous Negative Airway Pressure B Intermittent Negative Airway Pressure Z No Qualifier |