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 0XQDX
Repair Right Lower Arm, Open Approach
Repair Right Lower Arm, External Approach
Repair Right Lower Arm, Percutaneous Endoscopic Approach
Repair Right Lower Arm, Percutaneous Approach