The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 09540
Destruction of Left External Auditory Canal, Open Approach
Destruction of Left External Auditory Canal, Via Opening
Destruction of L Ext Auditory Canal, Perc Endo Approach
Destruction of Left External Auditory Canal, Extern Approach
Destruction of Left External Auditory Canal, Endo
Destruction of Left External Auditory Canal, Perc Approach