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 0NQMX
Repair Right Zygomatic Bone, Percutaneous Approach
Repair Right Zygomatic Bone, External Approach
Repair Right Zygomatic Bone, Perc Endo Approach
Repair Right Zygomatic Bone, Open Approach