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 09TF0
Resection of Right Eustachian Tube, Open Approach
Resection of Right Eustachian Tube, Endo
Resection of Right Eustachian Tube, Via Opening
Resection of Right Eustachian Tube, Perc Endo Approach