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 09Q3X
Repair Right External Auditory Canal, Via Opening
Repair Right External Auditory Canal, Percutaneous Approach
Repair Right External Auditory Canal, External Approach
Repair Right External Auditory Canal, Endo
Repair Right External Auditory Canal, Perc Endo Approach
Repair Right External Auditory Canal, Open Approach