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 09HY0
Insertion of Other Device into Sinus, Open Approach
Insertion of Other Device into Sinus, Via Opening
Insertion of Other Device into Sinus, Percutaneous Approach
Insertion of Other Device into Sinus, Endo
Insertion of Other Device into Sinus, Perc Endo Approach