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 09NX0
Release Left Sphenoid Sinus, Percutaneous Approach
Release Left Sphenoid Sinus, Perc Endo Approach
Release Left Sphenoid Sinus, Open Approach
Release Left Sphenoid Sinus, Endo