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 0SQCX
Repair Right Knee Joint, Open Approach
Repair Right Knee Joint, Percutaneous Approach
Repair Right Knee Joint, External Approach
Repair Right Knee Joint, Percutaneous Endoscopic Approach