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 0YQTX
Repair Right 3rd Toe, Percutaneous Approach
Repair Right 3rd Toe, Open Approach
Repair Right 3rd Toe, Percutaneous Endoscopic Approach
Repair Right 3rd Toe, External Approach