The Approach External is identified by letter "X" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0954X
Destruction of Left External Auditory Canal, Open Approach
Destruction of L Ext Auditory Canal, Perc Endo Approach
Destruction of Left External Auditory Canal, Via Opening
Destruction of Left External Auditory Canal, Endo
Destruction of Left External Auditory Canal, Extern Approach
Destruction of Left External Auditory Canal, Perc Approach