The Operation Measurement is identified by number "0" and occupies the 3rd position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 4B0
Measurement of Cardiac Pacemaker, External Approach
Measurement of Respiratory Pacemaker, External Approach
Measurement of Central Nervous Stimulator, External Approach
Measurement of Musculoskeletal Stimulator, External Approach
Measurement of Cardiac Defibrillator, External Approach
Measurement of PNS Stimulator, Extern Approach