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 09NF0
Release Right Eustachian Tube, Percutaneous Approach
Release Right Eustachian Tube, Perc Endo Approach
Release Right Eustachian Tube, Via Opening
Release Right Eustachian Tube, Endo
Release Right Eustachian Tube, Open Approach