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 09SG0
Reposition Left Eustachian Tube, Open Approach
Reposition Left Eustachian Tube, Via Opening
Reposition Left Eustachian Tube, Endo
Reposition Left Eustachian Tube, Perc Endo Approach