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 09CF0
Extirpation of Matter from Right Eustachian Tube, Endo
Extirpation of Matter from R Eustach Tube, Perc Approach
Extirpation of Matter from R Eustach Tube, Open Approach
Extirpate of Matter from R Eustach Tube, Perc Endo Approach
Extirpation of Matter from R Eustach Tube, Via Opening