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 09N30
Release Right External Auditory Canal, Open Approach
Release Right External Auditory Canal, Via Opening
Release Right External Auditory Canal, External Approach
Release Right External Auditory Canal, Percutaneous Approach
Release Right External Auditory Canal, Perc Endo Approach
Release Right External Auditory Canal, Endo