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 0RQ00
Repair Occipital-cervical Joint, External Approach
Repair Occipital-cervical Joint, Perc Endo Approach
Repair Occipital-cervical Joint, Open Approach
Repair Occipital-cervical Joint, Percutaneous Approach