| Section | 4 | Measurement and Monitoring |
| Body System | B | Physiological Devices |
| Operation | 0 | Measurement: Determining the level of a physiological or physical function at a point in time |
| Body System 0 Central Nervous 1 Peripheral Nervous F Musculoskeletal |
Approach X External |
Function / Device V Stimulator |
Qualifier Z No Qualifier |
| Body System 2 Cardiac |
Approach X External |
Function / Device S Pacemaker T Defibrillator |
Qualifier Z No Qualifier |
| Body System 9 Respiratory |
Approach X External |
Function / Device S Pacemaker |
Qualifier Z No Qualifier |