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 0NHF0
Insertion of Int Fix into R Ethmoid Bone, Perc Endo Approach
Insertion of Int Fix into R Ethmoid Bone, Open Approach
Insertion of Int Fix into R Ethmoid Bone, Perc Approach