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 09NV0
Release Left Ethmoid Sinus, Endo
Release Left Ethmoid Sinus, Open Approach
Release Left Ethmoid Sinus, Percutaneous Endoscopic Approach
Release Left Ethmoid Sinus, Percutaneous Approach