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 0N5G0
Destruction of Left Ethmoid Bone, Perc Endo Approach
Destruction of Left Ethmoid Bone, Open Approach
Destruction of Left Ethmoid Bone, Percutaneous Approach