The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 0XQ90
Repair Left Upper Arm, External Approach
Repair Left Upper Arm, Open Approach
Repair Left Upper Arm, Percutaneous Approach
Repair Left Upper Arm, Percutaneous Endoscopic Approach