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 0NS7X
Reposition Occipital Bone with Int Fix, Perc Approach
Reposition Occipital Bone with Int Fix, Perc Endo Approach
Reposition Occipital Bone with Int Fix, Open Approach
Reposition Occipital Bone, Open Approach
Reposition Occipital Bone, Percutaneous Approach
Reposition Occipital Bone, External Approach
Reposition Occipital Bone, Percutaneous Endoscopic Approach