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 0NSCX
Reposition Sphenoid Bone, External Approach
Reposition Sphenoid Bone, Percutaneous Approach
Reposition Sphenoid Bone with Int Fix, Perc Approach
Reposition Sphenoid Bone, Open Approach
Reposition Sphenoid Bone with Int Fix, Perc Endo Approach
Reposition Sphenoid Bone with Int Fix, Open Approach
Reposition Sphenoid Bone, Percutaneous Endoscopic Approach