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 09NS0
Release Right Frontal Sinus, Open Approach
Release Right Frontal Sinus, Endo
Release Right Frontal Sinus, Perc Endo Approach
Release Right Frontal Sinus, Percutaneous Approach