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 0QQDX
Repair Right Patella, Open Approach
Repair Right Patella, Percutaneous Approach
Repair Right Patella, External Approach
Repair Right Patella, Percutaneous Endoscopic Approach