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 09Q0X
Repair Right External Ear, Open Approach
Repair Right External Ear, Percutaneous Endoscopic Approach
Repair Right External Ear, External Approach
Repair Right External Ear, Percutaneous Approach