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 09NU0
Release Right Ethmoid Sinus, Endo
Release Right Ethmoid Sinus, Open Approach
Release Right Ethmoid Sinus, Perc Endo Approach
Release Right Ethmoid Sinus, Percutaneous Approach